Leadership
Executive Team
- Larry Hsu, Ph.D.
President, Chief Executive Officer and Director - Carole S. Ben-Maimon, M.D.
President, Global Pharmaceuticals - Michael J. Nestor
President, Impax Pharmaceuticals - Mark A. Schlossberg
Senior Vice President and General Counsel - Bryan Reasons
Vice President, Finance and acting Chief Financial Officer
Board of Directors
- Robert L. Burr
Chairman - Leslie Z. Benet, Ph.D.
Director - Allen Chao, Ph.D.
Director - Nigel Ten Fleming, Ph.D.
Director
- Larry Hsu, Ph.D.
President, Chief Executive Officer and Director - Michael Markbreiter
Director - Peter R. Terreri, CPA
Director
Executive Team
Larry Hsu, Ph.D.
President, Chief Executive Officer and Director
Larry Hsu, Ph.D. has been President and Chief Executive Officer since October 1, 2006. Prior to holding these positions, Dr. Hsu served as President and Chief Operating Officer beginning in 1999. Dr. Hsu co-founded Impax Pharmaceuticals, Inc. in 1994 and served as its President, Chief Operating Officer and a member of the board from its inception until its merger with us. From 1980 to 1995, Dr. Hsu worked at Abbott Laboratories, where, during his last four years, he served as Director of Product Development in charge of formulation development, process engineering, clinical lot manufacturing and production technical support of all dosage forms, managing a staff of approximately 250 people. Dr. Hsu obtained his Ph.D. in pharmaceutics from the University of Michigan.
Carole S. Ben-Maimon, M.D.
President, Global Pharmaceuticals
Dr. Ben-Maimon comes to Impax with a broad base of executive experience in the pharmaceutical industry. She was most recently senior vice president, corporate strategy consulting to the president, chief executive officer and investors at Qualitest Pharmaceuticals, Inc. Prior to her role at Qualitest, she held executive positions with Barr Pharmaceuticals, including president and chief operating officer of Duramed Research (formerly known as Barr Research), a subsidiary of Barr Pharmaceuticals Inc. and with Teva Pharmaceuticals USA where she was senior vice president, Science and Public Policy. From 1996 to 2000, she served as senior vice president, Research and Development at Teva. She has also served as president and chief executive officer of Alita Pharmaceuticals, Inc. – a company which she founded. She served as the chairman of the board of the Generic Pharmaceutical Association from 2000 to 2003, and is also a published author of numerous scientific and clinical articles. Dr. Ben-Maimon is a graduate of Thomas Jefferson Medical College and received a bachelor of artsin biology from The University of Pennsylvania where she graduated magna cum laude. She is board certified in internal medicine, and completed clinical and research training in nephrology at Thomas Jefferson University.
Michael J. Nestor
President, Impax Pharmaceuticals
Michael J. Nestor joined us in March 2008 as the President of our newly formed branded products division, Impax Pharmaceuticals. Before joining us he was Chief Operating Officer of Piedmont Pharmaceuticals, a specialty pharmaceutical company. Prior to Piedmont, Mr. Nestor was CEO of NanoBio, a start-up biopharmaceutical company, prior to which he was employed by Alpharma, initially as President of its generic pharmaceutical business and later as President of its branded pharmaceutical business. Before this he was President, International business at Banner Inc., a global contract manufacturing concern. Mr. Nestor spent 16 years at Lederle Laboratories/ Wyeth holding increasing positions of responsibility including Vice President, Cardiovascular business, Vice President/ General Manager of Lederle-Praxis Biologics, and Vice President/ General Manager of Wyeth-Lederle Vaccines and Pediatrics. Mr. Nestor has experience in a number of pharmaceutical therapeutic areas including vaccines, cardiovascular products, anti-infectives, dermatologics, CNS, generics and analgesics. Mr. Nestor has a bachelor of Business Administration degree from Middle Tennessee State University and an MBA from Pepperdine University.
Mark A. Schlossberg
Senior Vice President and General Counsel
Mr. Schlossberg brings over 25 years of legal experience to Impax, including more than 11 in the healthcare industry. He joins Impax from Amgen Inc., where he served as Vice President, Associate General Counsel, responsible for the areas of corporate governance and securities law, licensing, mergers and acquisitions, sales and marketing and global operations. Prior to joining Amgen, he held legal and business positions at Medtronic, Inc., and legal positions at Diageo plc, RJR Nabisco, Inc. and Mudge Rose Guthrie Alexander & Ferdon. He earned a Bachelor of Sciences in business administration and finance from the University of Southern California and a Juris Doctor degree from Emory University.
Bryan Reasons
Vice President, Finance and acting Chief Financial Officer
Mr. Reasons, age 45, joined the Company in January 2012 as the Company's Vice President Finance and was named the acting Chief Financial Officer in June 2012 . He previously served as Vice President Finance from January 2010 to November 2011 and as Vice President Risk Management and General Auditor from October 2005 to January 2010 at Cephalon, Inc. ("Cephalon"), a biopharmaceutical company. Following the acquisition of Cephalon by Teva Pharmaceutical Industries Ltd. ("Teva"), a generic pharmaceuticals company, he served as the Vice President Finance of Teva from November 2011 to January 2012. Prior to joining Cephalon, Mr. Reasons held various finance management positions at Dupont from 2003 to 2005 and spent the first decade of his career as senior manager at Pricewaterhouse Coopers LLP. Bryan is a Certified Public Accountant.
Board of Directors
Robert L. Burr
Chairman
Robert L. Burr is a self-employed investment manager and partner of Fleming US Discovery Partners, L.P., a private equity sponsor affiliated with J.P. Morgan Chase & Co. Mr. Burr was employed by J.P. Morgan Chase & Co. and associated entities from 1995 to May 2008, at which time he resigned his position as Managing Partner of the Fleming US Discovery III Funds. From October 2001 to October 2005, Mr. Burr was a Partner at Windcrest Discovery Investments LLC, an investment management firm. From 1992 to 1995, Mr. Burr was head of Private Equity at the investment banking firm of Kidder, Peabody & Co., Inc. Prior to that time, Mr. Burr served as the Managing General Partner of Morgan Stanley Ventures and General Partner of Morgan Stanley Venture Capital Fund I, L.P. and was a corporate lending officer with Citibank, N.A. Mr. Burr received an MBA from Columbia University and a BA from Stanford University. Mr. Burr’s financial acumen and his extensive knowledge of capital markets represent a valuable resource to the board in the assessment of our capital and liquidity needs. In addition, Mr. Burr’s venture capital and private equity investment experience gives him the leadership and consensus-building skills to guide the board on a variety of matters, including compensation, corporate governance and risk assessment.
Committees
- Audit Committee Charter
- Nominating Committee Charter
- Compensation Committee
Leslie Z. Benet, Ph.D.
Director
Leslie Z. Benet, Ph.D. has been a Professor since 1969 of, and has also served as Chairman of, the Department of Bioengineering and Therapeutic Sciences (1978-1998), University of California, San Francisco (UCSF). Dr. Benet has been a founder of four biopharmaceutical start-up companies, for two of which he presently serves on the Scientific Advisory Boards, Limerick Biopharma and Hurel Corp. He received his A.B. (English), B.S. (Pharmacy), and M.S. from the University of Michigan, and his Ph.D. from the University of California. Dr. Benet has received seven honorary doctorates: Uppsala University, Sweden (Pharm.D., 1987); Leiden University, The Netherlands (Ph.D., 1995); University of Illinois at Chicago (D.Sc., 1997); Philadelphia College of Pharmacy and Science (D.Sc., 1997); Long Island University (D.Sc., 1999); University of Athens, Greece (Ph.D., 2005); and Catholic University of Leuven, Belgium (Ph.D., 2010). Dr. Benet’s research interests, more than 500 publications, and 11 patents are in the areas of pharmacokinetics, biopharmaceutics, drug delivery and pharmacodynamics. He is listed among the most highly cited pharmacologists worldwide. In 1985, Dr. Benet served as President of the APhA Academy of Pharmaceutical Sciences. During 1986, Dr. Benet was a founder and first President of the American Association of Pharmaceutical Scientists (AAPS). In 1987, Dr. Benet was elected to membership in the Institute of Medicine (IOM) of the National Academy of Sciences (NAS). Dr. Benet has received the highest scientific awards of AAPS (1989 and 2000), Rho Chi (1990), American Association of Colleges of Pharmacy (1991), American Society for Clinical Pharmacology and Therapeutics (1995 and 2010), American Pharmaceutical Association (2000), International Pharmaceutical Federation (2001) and in 2004 received the Pharmaceutical Sciences World Congress Research Achievement Award and the Controlled Release Society Career Achievement in Oral Drug Delivery Award. In 2007, he was selected as the UCSF Distinguished Clinical Lecturer. Dr. Benet formerly served as Chair of the FDA Expert Panel on Individual Bioequivalence and the FDA Center for Biologics Peer Review Committee, and as a member of the FDA Science Board and the Generic Drugs Advisory Committee. Dr. Benet presently serves as a member of the IOM Forum on Drug Discovery, Development and Translation and the NAS Standing Committee on Biodefense for the Department of Defense. Dr. Benet brings to the board deep knowledge and understanding of the biopharmaceutical industry, as well as policies and practices of the U.S. Food and Drug Administration, and provides the board with a unique perspective in the development of our corporate strategy based on his more than 40 years of experience in the science underlying our business.
Committees
- Nominating Committee Charter
- Compensation Committee
Allen Chao, Ph.D.
Director
Allen Chao, Ph.D., has been Chairman of Newport Healthcare Advisors, LLC, a healthcare investment management and consulting company, since January 2008. Dr. Chao was a co-founder of Watson Pharmaceuticals, Inc., a specialty pharmaceutical company, serving as a director from 1985 to May 2008, Chairman of the board of directors from May 1996 to May 2008, and Chief Executive Officer from 1985 to September 2007. While at Watson, Dr. Chao oversaw the company’s growth, through internal R&D, licensing and acquisitions of pharmaceutical products and technologies, as well as mergers and acquisition activities. Dr. Chao received a Ph.D. in industrial and physical pharmacy from Purdue University in 1973. In May of 2000, he received the degree of Doctor of Science from Purdue in recognition of his leadership and vision for the production and marketing of pharmaceutical products. Dr. Chao’s experience brings to the board a profound understanding of financial investment, business development, strategic planning and operational management in our industry and can provide invaluable practical guidance, insight and perspective with respect to our operations, strategy and corporate governance.
Committees
- Audit Committee Charter
Nigel Ten Fleming, Ph.D.
Director
Nigel Ten Fleming, Ph.D. is Executive Director of A-Cube, Inc., a medical diagnostics company, Chairman of Minerva Healthcare, an emerging specialty pharmaceutical company, and, in 2008, he became Chairman and Chief Executive Officer of G2B Pharma. He previously founded Athena Diagnostics, a neurological diagnostics reference laboratory, serving variously as Chairman, CEO and Vice President of Business Development prior to the company’s 1995 sale to Athena Neurosciences /Elan Pharmaceuticals. Dr. Fleming has also served on the boards of directors of Examplar, a subsidiary of Transgenic Sciences Inc. which developed the first transgenic Alzheimer’s mouse model, and serves on the board of Genmedica Therapeutics, an oral insulin company based in Barcelona. He has also consulted for, and served in various leadership roles at a number of early-stage biotechnology companies, including Gamera Biosciences, Neurocal, Nephros’, TheraMed Partners and Plant Cell Technologies. Dr. Fleming obtained his Ph.D. in Clinical Biochemistry from the University of Cambridge in England and was a lecturer at Harvard Medical School for a number of years. Dr. Fleming’s experience at life sciences companies as well as his extensive knowledge of biochemistry provides the board with the depth of understanding of our company’s business as well as valuable financial, operational and strategic expertise. In addition, Dr. Fleming brings to the board a perspective on corporate governance and compensation matters.
Committees
- Nominating Committee Charter
- Compensation Committee
Larry Hsu, Ph.D.
President, Chief Executive Officer and Director
Larry Hsu, Ph.D. has been President and Chief Executive Officer since October 1, 2006. Prior to holding these positions, Dr. Hsu served as President and Chief Operating Officer beginning in 1999. Dr. Hsu co-founded Impax Pharmaceuticals, Inc. in 1994 and served as its President, Chief Operating Officer and a member of the board from its inception until its merger with us. From 1980 to 1995, Dr. Hsu worked at Abbott Laboratories, where, during his last four years, he served as Director of Product Development in charge of formulation development, process engineering, clinical lot manufacturing and production technical support of all dosage forms, managing a staff of approximately 250 people. Dr. Hsu obtained his Ph.D. in pharmaceutics from the University of Michigan. Dr. Hsu’s experience as our co-founder and Chief Executive Officer, and previously our President and Chief Operating Officer, provides the board with unique insights into our operations, challenges and opportunities. In addition, his 30-year background in the pharmaceutical industry and knowledge in the underlying science bring special expertise to the board in developing our business strategies.
Michael Markbreiter
Director
Michael Markbreiter, a private investor, was a portfolio manager for Morgan Stanley from October 2004 to May 2005 and Sofaer Capital, a global hedge fund, from December 2000 to September 2001. From August 1995 to December 1998, Mr. Markbreiter was a portfolio manager for private equity investments for Kingdon Capital Management Corp., a New York hedge fund. In April 1994 he co-founded Ram Investment Corp., a venture capital company. From March 1993 to January 1994, Mr. Markbreiter was an analyst at Alliance Capital Management Corp. From July 1983 to September 1989, Mr. Markbreiter was an Executive Editor for Arts of Asia magazine. Mr. Markbreiter graduated from Cambridge University with a degree in Engineering. Mr. Markbreiter’s experience in executive management brings to the board his business and financial expertise as well as comprehensive knowledge of risk-management matters.
Committees
- Audit Committee Charter
Peter R. Terreri, CPA
Director
Peter R. Terreri has over 20 years of experience primarily in generic pharmaceuticals with a specialized expertise in finance. Mr. Terreri is President, Chief Executive Officer and director of CGM, Inc., a manufacturing company that he owns and operates. He previously served as Senior Vice President and Chief Financial Officer of Teva Pharmaceuticals USA from 1985 through 2000, where he actively participated in the growth of the company from a $20 million local generic pharmaceutical company into a global leader in generic pharmaceuticals. As an active member of senior management, he was involved in all facets of the decision-making process at Teva Pharmaceuticals USA, including structuring and negotiating company and product acquisitions, participating in multiple public financings and securing several licensing deals and a substantial credit line. In addition to his role as Chief Financial Officer, Mr. Terreri contributed to many areas related to the company’s success outside of finance, including product development selection, facility utilization, business development, strategic planning, and implementing integration plans for the company’s acquisitions. He also supervised areas such as operations, sales and marketing, and information technology during his tenure. Mr. Terreri’s more than 20 years of experience in the pharmaceutical industry provides the board with comprehensive understanding of our operations and strategy. His prior experience as the Chief Financial Officer of a major generic pharmaceutical company also brings to the board deep understanding of accounting and risk management issues.
Committees
- Audit Committee Charter

