AmMax Bio is a clinical-stage biotechnology company focused on the
development of innovative therapeutics for cancer patients.
About us
AmMax was founded in 2020 by Larry Hsu, PhD in partnership with Amgen and has built a robust pipeline addressing significant unmet needs for large commercial opportunities based on its CSF1R-targeting platform.
The Company leverages its internal and external expertise in acquiring oncology assets and identifying new mechanisms or applications and developing them into first-in-class and/or best-in-class products.
AmMax's portfolio of drug candidates is led by AMB-066, a potent monoclonal antibody designed to treat patients with colorectal cancer with minimal residual disease (CRC MRD) to avoid or delay recurrence.

Larry Hsu, PhD
Chief Executive Officer
- Successful track record over 40 years
- Founded and built Impax into multi-billion $ NASDAQ-listed company
Dr. Hsu is a successful entrepreneur with > 37 years of track record.
Prior to founding AmMax Bio and affiliates, Dr. Hsu was Co-Founder, President and CEO of Impax Laboratories, a Nasdaq-listed specialty pharmaceutical company. Impax applied its drug development expertise and drug delivery technology to the development , manufacturing, and commercialization of specialty pharmaceutical products. Impax established partnership with multiple companies, including Teva, AstraZeneca, Pfizer, and Shire during his tenure. In the 18 years of its history, Impax grew to a company with more than 1000 employees and a market cap of close to $3 billion when Dr. Hsu retired in 2014.
Dr. Hsu worked at Abbott for 15 years before founding Impax. He was the Director of Product Development responsible for worldwide product development, process engineering, clinical supplies manufacturing, and production technical support for all dosage forms. He received his Ph.D. degree in Pharmaceutics from University of Michigan and B.S. degree in Pharmacy from National Taiwan University.

Laura Zhu, PhD, MBA
Chief Business Officer
- >25 years spanning strategy, commercialization and licensing
Dr. Zhu is a seasoned biotech/pharmaceutical industry executive and entrepreneur with 25 years of experience that spans strategy, commercialization, new product planning, portfolio management, project management, business development and licensing. She has in-depth experience in evaluating assets and companies across a broad range of therapeutic indications.
Dr. Zhu co-founded AmMax Bio and affiliates with primary responsibilities on licensing, corporate development, portfolio management and strategy.
Prior to the AmMax Bio companies, Dr. Zhu established the new product planning and business development function for Impax’s Brand Division. She successfully led the negotiation with AstraZeneca to in-license the US commercialization right for Zomig, a transformative transaction for Impax. She was also with Eli Lilly wherein she held positions in new product planning and sales & marketing in the areas of psychiatric disorders and diabetes care and with Accenture as a strategy consultant for the biotech/pharmaceutical industry. Her clients included both startup and established pharmaceutical/biotech companies such as GSK, AstraZeneca and Genentech.
Dr. Zhu received her PhD in Molecular Genetics from University of Pittsburgh and MBA from University of Chicago.

Dorothy Nguyen, MD
VP, Clinical Development
- Board certified Heme/Onc with >15 years of experience in global drug development in oncology
- University of California at Irvine - bachelor’s degree in biology, George Washington University – medical degree, University of California at Irvine – residency training
Dr. Nguyen is a successful biopharmaceutical medical executive with a history of bringing novel therapies to market for patients with unmet medical needs in medical oncology and hematology. Dr. Nguyen worked on several such programs at Genentech, Acerta Pharma/AstraZeneca, Cleave Therapeutics, and Corcept Therapeutics, with responsibilities encompassing study design, protocol development, and clinical strategy. Dr. Nguyen has a track-record of successfully advancing small molecules and biologic agents including Venclexta®, Calquence®, and Hemlibra®.
Before Genentech, she was a primary investigator on multiple intergroup and pharmaceutical trials in various disease areas in medical oncology and hematology at Kaiser Permanente, Northern California. Dr. Nguyen was an attending physician at Stanford University, where she was a Clinical Assistant Professor in the Department of Pathology and Medical Oncologist at the Stanford Cancer Center. Dr. Nguyen completed her fellowships in Hematology and Medical Oncology at Stanford University as well as a fellowship in Transfusion Medicine at the University of California, San Francisco.

Kirk Johnson, PhD
Chief Scientific Officer
- ~30 years in R&D across multiple therapeutic indications and modalities
Dr. Johnson is a seasoned biotech and pharmaceutical industry leader with over 30 years of experience in drug discovery and development. He has founded early-staged programs which successfully advanced to late-stage clinical trials, has led successful U.S. and ex-U.S. IND submissions, and has participated in new drug approvals in oncology, infectious disease, and neurology (Proleukin®, Factive®, and Eladocagene exuparvovec). Dr. Johnson has led programs in multiple therapeutic indications including orphans & pediatrics and across several drug platforms including proteins/mAbs, gene therapy, small molecules, and a botanical.
Prior to AmMax Bio, Dr. Johnson served leadership roles in preclinical development and overall R&D in small- and mid-sized pharmaceutical companies including Chiron/Novartis, Xoma, and Avigen/Medicinova.
Dr. Johnson received his PhD in pharmacology and toxicology from the Medical College of Virginia and did post-doctoral training at Dartmouth Medical School and U.C. Berkeley. He has authored ~90 peer reviewed publications, served as a reviewers to multiple journals, and is an inventor on over 30 issued patents.

Laman Alani, PhD
SVP of Product Development
- >30 years in global product development
Dr. Alani has held senior leadership roles across global organizations including Alcon/Novartis, Merck, Abbott and Pfizer. She is co-inventor on over 40 patents and has helped lead more than 20 successful drug product launches over her career including both small and large molecules. Examples of products Dr. Alani provided technical and managerial leadership for include Omiflex®, Norvir®, Kaletra®, Gengraf®, Biaxin® XL, Caduet®, Janumet®, Januvia™, Isentress™, Lyrica®, recombinant urokinase, Lupron® and brolucizumab.
Dr. Alani is responsible for all aspects of CMC development at AmMax Bio.
Prior to AmMax Bio, Dr. Alani served as VP of Pharmaceutical Product/Technology Development at Alcon and was head of Product Development at Impax Labs. She also held leadership roles at Merck for product development and with Pfizer focusing on late stage development to build a process for tech transfer between research and manufacturing.
Dr. Alani began her career at Abbott where she spent 10 years in different roles across businesses and was responsible for introducing new drug delivery technologies. She received her PhD in Medicinal Chemistry from University of Kansas.

Andrew Sauter
Chief Financial Officer
- >20 years of financial leadership in biotech industry
Mr. Sauter has an exceptional record in driving sustained growth through advancing corporate strategies for innovative products and research and development. He excels in technical accounting and financial operations, with a proven track record of financial integrity and cultivating investor relationships.
Prior to AmMax Bio, Mr. Sauter served as Chief Financial Officer of Sera Prognostics, where he provided strategic direction as the company raised multiple rounds of capital from venture, strategic and private equity investors to build a CLIA-certified reference lab and validate a biomarker test for preterm birth and other pregnancy complications. Prior to Sera, Mr. Sauter served as Chief Financial Officer of Avigen, Inc. (NASDAQ: AVGN), a biopharmaceutical company that focused on the development of innovative drugs for the treatment of serious and chronic neurological conditions.
Earlier in his career, Mr. Sauter worked for Bank of America Corporation in a variety of positions, including as vice president in the Capital Markets Finance organization, and for Ernst & Young LLP as an auditor. Mr. Sauter is an inactive certified public accountant and holds a B.A. degree in economics and accounting from Claremont McKenna College.

Larry Hsu, PhD
Chief Executive Officer
- Successful track record over 40 years
- Founded and built Impax into multi-billion $ NASDAQ-listed company
Dr. Hsu is a successful entrepreneur with > 37 years of track record.
Prior to founding AmMax Bio and affiliates, Dr. Hsu was Co-Founder, President and CEO of Impax Laboratories, a Nasdaq-listed specialty pharmaceutical company. Impax applied its drug development expertise and drug delivery technology to the development , manufacturing, and commercialization of specialty pharmaceutical products. Impax established partnership with multiple companies, including Teva, AstraZeneca, Pfizer, and Shire during his tenure. In the 18 years of its history, Impax grew to a company with more than 1000 employees and a market cap of close to $3 billion when Dr. Hsu retired in 2014.
Dr. Hsu worked at Abbott for 15 years before founding Impax. He was the Director of Product Development responsible for worldwide product development, process engineering, clinical supplies manufacturing, and production technical support for all dosage forms. He received his Ph.D. degree in Pharmaceutics from University of Michigan and B.S. degree in Pharmacy from National Taiwan University.

John Varian
Independent Board Member
John Varian brings a wealth of industry experience to the Board of AmMax Bio, having held leadership positions in business development, alliance management, capital fund-raising, and new product launches. John has served as the CEO and director of XOMA, an antibody business, where he led the financial restructuring of the company. Prior to joining XOMA, he served as the COO of Aryx Pharmaceuticals and helped lead the company through its initial public offering. He has also served as CFO of Anergen, Genset SA and Neurex Corp, and as Senior Vice President of Finance with Elan Corporation.
John Varian currently serves on the board of directors for Sellas Life Sciences (Nasdaq: SLS) and is Chairman of the Audit Committee. He has previously served on the boards of XOMA Corporation (Nasdaq: XOMA), Versartis Corporation (Nasdaq: VSAR), and Egalet Corporation. He received his B.B.A. from Western Michigan University and is a Certified Public Accountant

W. Michael Kavanaugh, MD
Independent Board Member
Mike Kavanaugh, MD currently serves as an attending staff physician at the San Francisco Veterans Administration Medical Center and as an associate clinical professor of medicine at UCSF. He previously served as chief scientific officer at CytomX Therapeutics and Five Prime Therapeutics. Before Five Prime, Dr. Kavanaugh served as vice president of Novartis Vaccines & Diagnostics and executive director of Oncology Biologics in the Novartis Institutes of Biomedical Research.
Dr. Kavanaugh received his medical doctorate from Vanderbilt University and his bachelor’s degree in molecular biochemistry and biophysics from Yale University. He completed training in internal medicine, cardiovascular disease and molecular and cellular biology at the University of California, San Francisco and the Cardiovascular Research Institute.

Dave Edwards
Independent Board Member
Dave Edwards has an investment career of over 30 year in both public and private companies with a focus on healthcare. He was an early investor in Nasdaq-listed Impax Labs and served as the lead director of the company. He has been on the board of numerous companies both public and private in industries such as pharmaceuticals, healthcare services, renewable energy, and education services. Dave currently advises small growing companies on strategy and corporate finances and currently manages an investment portfolio consisting of companies in pharma, biotech, healthcare AI, and consumer products.
Dave Edwards received his MBA from Harvard Business School and his Masters in Chemical Engineering from Cambridge University

Jerome Shen, PhD
Board Member
Jerome Shen currently serves as General Partner of the Bio Fund for Taiwania Capital and serves as the Preferred Director on the AmMax Bio Board. Previously, he was the President and co-founder of Allgenesis Biotherapeutics, a new drug development company addressing the unmet medical needs in the ophthalmology areas. In addition to the venture capital businesses, he also took the leading roles in several biotech start-ups, responsible for corporate development and strategic initiatives and planning. Dr. Shen was the Secretary-General of Taiwan Biotech Association from 2005 to 2008, a non-profit organization with a mission to provide services to the industry members in business development, human resources, and training programs.
Jerome Shen received his Ph.D. in Chemical Engineering at the University of Wisconsin, Madison.

Dr. Hong-Jen Chang
Board Member
Dr. Hong-Jen Chang is currently the Chairman and CEO of YFY Biotech Management Company. The company primarily manages the Taiwan Global Bio fund, which invests mostly in Taiwan’s emerging biomedical industry. Before joining YFY Group, Dr. Chang had extensive experience in health care. During his 16-year services with the government, he held several key positions in the Taiwanese Ministry of Health, including Deputy Minister, Chief Information Officer, President & CEO of Bureau of National Health Insurance (BNHI), and Director General of the Center of Disease Control. Dr. Chang is known for his expertise in health insurance, disease control, the biopharmaceutical industry, and health information systems.
Dr. Chang received his medical degree from National Yang-Ming Medical College. He also holds a master’s degree in public health from National Taiwan University and a master of science in health policy and management from Harvard School of Public Health

Jinnyuan Lin
Board Member
Jinnyuan Lin is the Partner and Chief Strategy Officer at Forward Asset Management Inc., a position he has held since 2023. He brings to the firm a wealth of experience in finance and investment, particularly within the biotechnology and pharmaceutical sectors. His background includes roles from financial analyst to leadership positions in venture capital and pharmaceutical companies. Known for his successful track record in fundraising, investments, and business development, Mr. Lin played a key role in Forward Asset Management’s investment in AmMax Bio Inc. in 2024.
Jinnyuan Lin received his MBA from Washington University’s Olin School of Business, and his Bachelor of Science from National Taiwan University.

Scott Kopetz, MD, PhD, FACP
- Professor of Medicine & Deputy Department Chair, Department of GI Medical Oncology, MD Andersen Cancer Center
Scott Kopetz, MD is Professor and Deputy Chair for Translational Research, GI Medical Oncology at the University of Texas MD Anderson Cancer Center. Dr. Kopetz graduated from Vanderbilt University with a bachelor’s degree in Biomedical Engineering/Electrical and received his medical degree from Johns Hopkins School of Medicine. He obtained his residency training in Internal Medicine at Duke University Medical Center, followed by a medical oncology fellowship at MD Anderson Cancer Center.
Dr. Kopetz joined MD Anderson Cancer Center in 2006. He subsequently completed a Ph.D. at MD Anderson in cancer biology with thesis focus on mechanisms of chemotherapy resistance in colorectal cancer. He has authored over 100 peer-reviewed articles in respected scientific journals such as Journal of Clinical Oncology, Lancet, Cancer Research, Cancer, Clinical Cancer Research, and JAMA, and is a senior editor for Clinical Cancer Research, and editorial board member on Journal of Clinical Oncology and JNCI. He is vice chair for colon cancer research in the National Surgical Adjuvant Breast and Bowel Project/Radiation Therapy Oncology Group cooperative group, and member of the NIH Gastrointestinal Oncology Steering Committee. In addition, he was a recipient of peer-reviewed grants from American Society of Clinical Oncology and the National Institute of Health, among others. He is the principal investigator of several Phase I and II clinical trials. His research interests include the biology of refractory colorectal cancer and the development of novel therapeutics for molecularly distinct subsets of colorectal cancer patients.

Van Morris, MD
- Associate Professor of Medicine, Department of GI Medical Oncology, MD Andersen Cancer Center
- PI multiple colorectal clinical trials
Van Morris, MD is an Associate Professor in the Department of Gastrointestinal Medical Oncology at the University of Texas – MD Anderson Cancer Center in Houston, TX. Dr. Van Morris graduated from the University of North Carolina with a BS in Chemistry. He received his medical degree from the University of Tennessee Health Sciences Center, Memphis before receiving an MS in Biomedical Sciences at the University of Texas Health Science Center. He completed his internship and residency in Internal Medicine at Duke University before completing his Hematology and Medical Oncology fellowship at the University of Texas – MD Anderson Cancer Center.
His clinical practice focuses on the treatment of colorectal and anal cancers, and he has written multiple clinical trials which incorporate novel therapeutic approaches involving targeted therapies and immunotherapy. His work has been featured in publications in the New England Journal of Medicine, Lancet Oncology, Cancer Discovery, JAMA Oncology, and the Journal of Clinical Oncology. His research has been supported as a recipient of the ASCO Young investigator Award, NIH/NCI K12 Award, Khalifa Scholar Award, SWOG Hope Foundation Award, NIH/NCI Colorectal Cancer SPORE Early Career Award, Sabin Family Foundation Award, and a CPRIT Individual Investigator Research Award.

Alan Venook, MD, FASCO
- Madden Family Distinguished Professor of Medical Oncology and Translational Research
- University of California, San Francisco
Dr. Alan Venook is the Madden Family Distinguished Professor of Medical Oncology and Translational Research at UCSF and is the Shorenstein Associate Director for Program Development at the Helen Diller Family Comprehensive Cancer Center at UCSF. He was the founding Chairman of the NCI’s Hepatobiliary Task Force, chaired the GI Committee of the Alliance for Clinical Trials in Oncology from 2010 – 2016 and was an Associate Editor of the Journal of Clinical Oncology from 2010 – 2015. Dr. Venook earned his medical degree at UCSF in 1980. Following an internship at UCSF, he spent two years in the Commissioned Corps of the U.S. Public Health Service. He completed a residency in internal medicine at the University of California, Davis, and a fellowship in hematology and oncology at UCSF. Venook has been on the medical staff at UCSF since 1988.
Dr. Venook’s research interests include the regional treatment of tumors in the liver and the development of new therapies for colorectal and liver cancers. It was his observation from data in the advanced colorectal cancer study — CALGB/SWOG 80405 – that helped define “sidedness”, the phenomenon that colon cancers arising in the right colon are biologically different than those that arise on the left side. Recently his group has turned its focus to understanding the interactions between immunotherapy and the microbiome and the marked increase in colorectal cancer in young adults.

Scott Paulson, MD
- Co-director of the Gastrointestinal Research Program for The US Oncology Network
- Medical director for the Neuroendocrine Research and Treatment Center at Baylor Charles A. Sammons Cancer Center
Dr. Scott Paulson currently serves as the co-director of the Gastrointestinal Research Program for The US Oncology Network, as well as the medical director for the Neuroendocrine Research and Treatment Center at Baylor Charles A. Sammons Cancer Center. He received his medical degree from The University of Texas Southwestern Medical School and his residency in Internal Medicine at the Brigham and Women’s Hospital in Boston, Massachusetts before completing a medical oncology fellowship at UC San Francisco.
Dr. Paulson is active in clinical research focused on neuroendocrine tumors as well as cancers of the pancreas, liver, esophagus, stomach, and colon. Dr. Paulson has authored several publications in neuroendocrine tumors and GI malignancies.

Jeffrey Tyner, PhD
- Professor of Medicine, School of Medicine, OHSU
- SF1 & CSF1R biology and Monocytic differentiation in AML
Dr. Tyner is professor in the Department of Cell, Developmental & Cancer Biology, at Oregon Health & Science University where he directs the Cancer Biology Graduate Program and the Translational Oncology Program. Dr. Tyner earned his bachelor’s degree from Grinnell Collete and earned his PhD from Washington University School of Medicine in St. Louis.
Dr. Tyner’s research is focused on implementing functional genomics to identify cancer-causing gene targets in heme malignancy patients and to parlay this information into patient-tailored, rational therapies. He has championed some of the research related to the role of CSF1 and CSF1R in AML.

Mark Minden, MD, PhD, FRCPC
- Professor Emeritus, Univ of Toronto
- Medical Oncology and Medical Biophysics
- AML treatment and basic and clinical research
Dr. Minden is Professor Emeritus, Medical Oncology and Medical Biophysics, Princess Margaret Cancer Center [and professor in the department of Medical Biophysics] at University of Toronto.
His lab has studied the role of the CSF1R (colony stimulating factor 1 receptor) expressed on AML cells and its interaction with CSF1 expressed on supporting stroma cells. Patients with high levels of CSF1R on their AML cells have a worse outcome, and the interaction of CSF1 and CSF1R is a potential therapeutic target. Another focus of the laboratory is the banking of primary leukemic cells from patients throughout the course of their disease.

Elie Traer, MD, PhD
- Associate Professor of Medicine, Division of Hematology/Medical Oncology, School of Medicine, OHSU
- AML treatment and clinical research – CSF1 & CSF1R biology
Dr. Traer is Associate Professor of Medicine, Division of Hematology/Medical Oncology, at the at Oregon Health & Science University School of Medicine. Dr. Tyner earned his MD and PhD from the University of Texas Southwestern Medical School. He then completed a residency in internal medicine and fellowship in hematology/oncology at Oregon Health & Science University.
Dr. Traer’s clinical focus is on treating patients with myeloid malignancies such as acute myeloid leukemia (AML), myelodysplastic syndrome (MDS), and myeloproliferative neoplasms (MPN). He is actively involved in a number of clinical trials evaluating targeted therapy for these diseases. Dr. Traer also runs a translational lab investigating how the bone marrow microenvironment provides sanctuary to leukemia cells. His lab is working to develop novel drug combinations that more effectively target residual and resistant leukemia cells within the bone marrow microenvironment. Recent research relates to CSF1R as a target.

John Lambert, PhD
- EVP Emeritus, Immunogen
- Fellow of the American Institute for Medical and Biological Engineering (AIMBE)
- ADC development expert with >120 peer reviewed publication
Dr. Lambert graduated from Christ’s College, University of Cambridge (England, UK), with a degree in Natural Sciences in 1972. He then went on to earn a Ph.D. in Biochemistry (1976) from the University of Cambridge, working on enzyme structures under the supervision of Professor Richard N. Perham.
Dr. Lambert’s postdoctoral training was at the University of California, Davis, working on ribosome structure in the laboratory of Dr. Robert R. Traut (1976-1980), and at the University of Glasgow, Scotland working on the arom multienzyme complex in the laboratory of Dr. John R. Coggins (1980 – 1982).
In 1982, Dr. Lambert joined the Dana-Farber Cancer Institute, Harvard Medical School, working on the ImmunoGen-funded programs to develop antibody-drug conjugates (ADCs) and immunotoxins as anti-cancer therapeutics. Dr. Lambert joined ImmunoGen in 1987 when the company established independent research laboratories in Cambridge, Massachusetts. After working in a variety of roles at the company, Dr. Lambert served as Chief Scientific Officer from 2008 until 2015. In 2016, he became a Distinguished Research Fellow at the company until his retirement at the end of 2017. He served on the Executive Committee of the company as Executive Vice President, Research, from 2008 until 2016, followed by a year (2017) on the Executive Committee in an Emeritus capacity. During Dr. Lambert’s tenure in leadership roles at ImmunoGen, the company invented the ADC technology that resulted in the Genentech/Roche drug, Kadcyla® (approved in 2013 for treating HER2+ breast cancer), as well as numerous other ADCs taken into clinical development. One of these is ImmunoGen’s promising drug candidate, mirvetuximab soravtansine, an ADC currently in a phase 3 trial for the treatment of platinum-resistant ovarian cancer.
Dr. Lambert is the author/co-author of over 120 peer-reviewed scientific publications. In 2016, Dr. Lambert was elected as a Fellow of the American Institute for Medical and Biological Engineering (AIMBE). In 2018, he was appointed as an Honorary Professor of Queen’s University, Belfast, Northern Ireland, UK.