About Us


Pomcor is the registered trade name of Pomian & Corella, LLC. We conduct research in mobile and Web technology, currently focusing on applications of cryptography and biometrics to identity proofing and user authentication. Our mission is to identify shortcomings of current technology and provide innovative solutions that advance the state of the art.


Photo of Karen Lewison Karen Lewison, CEO, co-founded Pomcor and financed its early stages. She took up the role of acting COO in June 2010 to manage an NSF-funded project, then the role of CEO in October 2011. Prior to Pomcor she worked as a radiologist and nuclear-medicine physician in leading health-care institutions. She has a BS degree from Cornell University, an MD degree from NY Medical College, and a Masters Degree in Clinical Research from UCSD. She is a member of the AOA medical honor society. She is an inventor with four patents granted and several pending.

Photo of Francisco Corella Francisco Corella, CTO, has a PhD in computer science from the University of Cambridge, a MS in computer engineering from Stanford University, and an engineering degree from the Ecole des Mines de Paris. He co-founded Pomcor and served as CEO in its early stages. Prior to Pomcor he worked as a manager at Symantec, as a researcher at Schlumberger Palo Alto Research and the IBM T.J. Watson Research Center, and as an engineer-scientist at the Unix laboratories of HP. He is an inventor with fourteen patents granted and several pending, a majority of them related to cryptography and cybersecurity.


Photo of Marc Friedmann Marc Friedmann is a chief executive officer experienced in starting, building and funding software, data/telecom/storage networks and semiconductor companies. He is Founder of Software Business Advisors, partner at DaggerBoard Advisors, and Entrepreneur in Residence at Connect Springboard. He was CEO of SciVee, CEO of Syntricity, Vice-President at EMC, and Founding CEO of Prisa Networks.

Photo of Steve Ricketts Steve Ricketts spent his early career in New York and San Francisco in investments and finance with Blyth Eastman Dillon and Bechtel and as V.P. Manager of Financial Analysis for Wells Fargo. He then relocated to the Sierra Foothills and, for over 35 years has directed strategic growth and bottom-line results as a consultant and key advisor to entrepreneurs in a wide variety of industries. His expertise includes corporate finance and investment banking with emphasis in equity/debt financings, mergers and acquisitions, strategic planning, due-diligence, financial modeling and analysis. He has been an officer and/or director of more than 25 companies, and an advisor to more. He holds B.A. and M.B.A. Degrees from the University of California, Berkeley. Steve is an avid hiker and nature enthusiast, and greatly enjoys his role as “Papa” with his grandchildren.

Photo of Steven Williams Steven E. Williams is a certified software engineer as well as a notary instructor within the State University of New York (SUNY) system. His current research is focused on notary services, electronic notarization, identity, blockchain and regulatory compliance. He resides in upstate New York.

Photo of Catherine Baudin Catherine Baudin is the co-founder of Grokcity, Inc., a startup in data science for real-estate. Previously, she was a Senior Research Scientist at eBay Research (ERL) in the area of big data for e-commerce, where she developed technologies to extract intelligence from semi-structured customer data. As part of her research, she designed a machine learning component for eBay’s fraud and spam detection system. It received an eBay meteor shower award in 2008. Prior to this, she was co-founder and CTO of Kaidara SA, a startup that developed tools to retrieve and analyze customer data for the automotive, high-tech and pharmaceutical industries. Kaidara was acquired by Servigistics in 2010 and is now part of PTC. Prior to Kaidara, at NASA Ames Research Center, Catherine was principal investigator for the DEDAL project, an intelligent documentation system for engineers and scientists that could learn from its interactions with users. NASA awarded funding to EIT to productize this research and it later became the Web Librarian, one of the first technical documentation tools on the Web. In 2007, Catherine was featured as the Profile of the Month by the Computer Research Association for Women. In addition, she is an author of numerous research papers, some book chapters, and several patents. She holds a PhD from the University Pierre and Marie Curie in Paris, France, and was a postdoctoral scholar at the Stanford University Knowledge Systems Lab.

Photo of Nathan Schor Nathan Schor is a successful entrepreneur, marketing expert and startup mentor with a particular interest in Internet Identity. He is currently marketing mentor at Founders Space and marketer-in-residence at Parisoma, in San Francisco. He is the founder of the Resource Center for Scientific Marketing (www.rcsm.io). He regularly participates in the Internet Identity Workshop and has organized a pitch to investors at the workshop. He was Founder and President of the IDON group, an early offeror of sales force automation solutions to small and medium businesses and to world-class organization such as the US Department of State, Prudential Insurance, and Zurich Financial Services.