Meet Our Advisors

MentorTech’s investment team is supplemented by an experienced group of advisors with both academic and operational backgrounds.


Dr. William F. Hamilton | Chairman

Dr. William Hamilton is Director of The Jerome Fisher Program in Management and Technology and Landau Professor of Management and Technology in the Wharton School and the School of Engineering and Applied Science at the University of Pennsylvania.

Dr. Hamilton is a co-founder of the Department of Operations and Information Management at Wharton and has been active in the creation of Penn’s Weiss Technology House, Wharton’s Program in Emerging Technologies and the Executive Masters Program in Technology Management in the Engineering School. Dr. Hamilton has taught and published in the areas of strategic management, technological innovation and entrepreneurship, decision analysis and health economics and has been honored with numerous teaching awards.  He has directed major research programs in the fields of technological innovation, strategic planning, economic analysis, and technology management.

Dr. Hamilton serves as a director of a number of public and private companies, including Neuronyx, NovaDel Pharma, Arno Therapeutics (OTC: ARNI) and Yaupon Therapeutics and was formerly a director of Avid Radiopharmaceuticals (prior to its acquisition by Eli Lily), Neose Technologies (Nasdaq: NEOS, prior to an asset sale), and Centocor, prior to it being acquired by Johnson & Johnson.

Dr. Hamilton received his Ph.D. from the London School of Economics and earned his B.S. and M.S. degrees in Chemical Engineering and an M.B.A. degree in Industrial Management from the University of Pennsylvania.


Dr. Leonard M. Lodish | Fund Advisor and Company Director

Dr. Leonard Lodish is the Samuel R. Harrell Professor and Professor of Marketing, Vice-Dean of Wharton West and leader of Wharton’s Global Consulting Practicum. Professor Lodish is internationally known for creating numerous marketing decision support systems as well as his research on marketing experimentation, entrepreneurial marketing, expert systems in marketing, and promotion and advertising decision support. He consults extensively with corporations around the world, including Procter & Gamble, Conagra and Merck, assisting them with marketing strategy and advertising and promotion decision support, among other issues.

Professor Lodish’s primary research and consulting areas are in entrepreneurial marketing, strategic and tactical marketing resource planning, marketing decision support systems, and applications in firm/marketing strategy, sales force, advertising, and promotion planning.

Dr. Lodish co-founded Management Decision Systems, Inc. which merged with Information Resources, Inc. to become a premier international decision support and marketing data supplier.  Co-founder of Shadow Broadcast Services that was sold to Westwood One, Inc. He has served as a Director of numerous public companies including Information Resources, Inc., Franklin Electronic Publishers, Inc., and J&J Snack Foods, Inc. Dr. Lodish has been a Director and Advisor to many private technology companies including Fund I, Fund II and Annex Fund Portfolio Company Quidsi (d/b/a,, Planalytics and Compete, Inc.

Professor Lodish is the author of more than 50 articles, is active as an editor in leading marketing and management science journals, and is the author of two books, The Advertising and Promotion Challenge: Vaguely Right or Precisely Wrong, published by Oxford University Press, and Entrepreneurial Marketing: Lessons from Wharton’s Pioneering MBA Course, published by John Wiley.

Professor Lodish received his PhD in Marketing and Operations Research from Massachusetts Institute of Technology’s Sloan School of Management and his A.B. in Mathematics from Kenyon College.


Dr. David J. Reibstein | Fund Advisor and Company Director

Dr. David J. Reibstein is the William S. Woodside Professor and Professor of Marketing at The Wharton School, University of Pennsylvania where he was formerly Vice Dean and Director of the Graduate Division. Prior to his appointment at Wharton, he was Assistant Professor of Marketing at the Harvard Business School and has been a Visiting Professor of Marketing at Stanford and INSEAD. His research focuses on competitive marketing strategies, marketing metrics, and product line decisions, among other issues. Most recently, Professor Reibstein’s research on competitive marketing strategies addresses competitors’ reactions to marketing actions, offering companies insight into ways to anticipate these reactions and use them as a part of strategizing. His marketing metrics work has focused on linking marketing metrics to financial consequences resulting in his most recent book, entitled Marketing Metrics: 50+ Measures Every Manager Should Master.

A former Executive Director of the Marketing Science Institute, Professor Reibstein consults extensively with companies worldwide, including GE, Pfizer, Johnson & Johnson, Rohm and Haas, and others.  He also co-founded Shopzilla (formerly Bizrate), a leading internet shopping portal based in Santa Monica, CA which was acquired in June of 2005 for $525 million by Scripps. He serves on the board of Fund II portfolio company and previously served on the boards of Shopzilla, And1, the basketball apparel company, XMPie, a digital printing software company, and several other companies.

His research has been published in top-tier academic journals including Marketing Science, Journal of Marketing Research, and the International Journal of Research in Marketing. Professor Reibstein is also the author or co-author of numerous books and chapters in books on subjects including competitive marketing strategy, global branding, and marketing performance measurement, among others.

Professor Reibstein received his Ph.D. in Industrial Administration at Purdue University, he was in the MBA program at Tulane University, and obtained his BA in Statistics and Political Science and BS in Business Administration at the University of Kansas.


Yossi Gross | Fund Advisor

Yossi Gross is a medical device visionary and one of Israel’s most experienced and successful entrepreneurs.  He has an extensive track record of creating and managing innovative medical device companies in markets with significant, unmet clinical needs.  He is currently the founder of Rainbow Medical, an innovative medical device development holding company in Israel that is commercializing more than a dozen of Mr. Gross’s inventions.  He has previously founded or co-founded 25 medical device companies and has filed more than 500 United States patents.  Among his previous successes are Elam Medical Technologies Israel (sold to Elan Pharmaceutical for $35 million), ECR Electrochemical Research, Ltd. (Sold to ATX, a unit of Kyocera) and the urological products division of Bio-Control (sold to American Medical Systems for $90 million).  Additionally, six other companies founded by Mr. Gross have struck significant strategic partnership agreements with Boston Scientific.