David Hansen serves as the President, Chief Executive Officer, and Chairman of the Board of Directors. Mr. Hansen is an experienced biopharmaceutical executive with more than 30 years of industry experience. He has held senior management roles in both private startup companies as well as small to mid-sized public companies. His senior level experience includes executive management, finance and accounting, corporate development, and sales and marketing. During his career, he has executed a wide variety of in and out licensing agreements, research and development collaborations, joint ventures, divestitures, and acquisitions. He has developed expertise in the therapeutic areas of immunology, oncology, and infectious disease. He gained executive management experience at several life sciences companies prior to co-founding the Company, making him particularly suited for his leadership role at MabVax. He was a corporate officer of Avanir Pharmaceuticals where he held the titles of Vice President of Commercial Development, Senior Vice President of Corporate Development, and President and Chief Operations Officer of the Avanir Subsidiary Xenerex Biosciences in which is was a founder. Prior to Avanir, he served in multiple roles at Dura Pharmaceuticals including National Sales Director, Director of Marketing, and Director of Business Development. He has additional management experience with Merck & Co. (Schering-Plough), Key Pharmaceuticals, and Bristol Myers Squibb.

Kenneth M. Cohen serves as a member of our Board of Directors and, prior to the merger, served as a member of the Board of Directors of MabVax Therapeutics, Inc. since July of 2014. Since 2007, Mr. Cohen has served either as a board member, executive officer or advisor to various companies, entrepreneurs and investors in the life sciences area. From January 2011 to August 2014, he served as a member of the Board of Directors of Adamis Pharmaceuticals Corporation (a public pharmaceutical company). He was a co-founder of publicly held Somaxon Pharmaceuticals, and served as its President and Chief Executive Officer from 2003 through 2007 and continued as a director until June 2008. Prior to Somaxon Pharmaceuticals, he gained executive management and board experience through various executive positions that make him suitable for membership on the Board of Directors of the Company. He was President and Chief Executive Officer of Synbiotics Corporation; Executive Vice President and Chief Operating Officer for Canji Incorporated, a human gene-therapy company that was acquired by Schering-Plough Corporation; Vice President of Business Affairs at Argus Pharmaceuticals, Inc.; and Vice President of Marketing and Business Development for LifeCell Corporation. Mr. Cohen began his career at Eli Lilly and Company where, among many different responsibilities over ten years, he directed business planning for the Medical Instrument Systems Division and managed the launch of Prozac.

Mr. Cohen holds an A.B. in Biology and Chemistry from Dartmouth College and an M.B.A. from the Wharton School of the University of Pennsylvania.

Jeffrey F. Eisenberg has served as a member of our Board of Directors since February 2016. Mr. Eisenberg has served in a variety of senior management positions, and has developed significant experience in the areas of corporate transactions, strategic alliances, product development, commercialization, manufacturing and talent management. From July 2016 to the present, Mr. Eisenberg has served as a director of Xenetic Biosciences, Inc., a biotech company based in Lexington, MA, and from December 2016 to the present, Mr. Eisenberg has served as Chief Executive Officer of Xenetic. From November 1998 to December 2015, Mr. Eisenberg held various executive management positions including President, CEO and a board member of Noven Pharmaceuticals, Inc., the U.S. prescription pharmaceutical division of Hisamitsu Pharmaceutical Inc., a Japanese pharmaceutical company and the world's largest manufacturer of transdermal drug patches. Mr. Eisenberg led the post-acquisition integration of JDS Pharmaceuticals, a private specialty pharmaceutical company purchased by Noven in 1997, as well as the integration of Noven and Hisamitsu following the 2009 acquisition. From 2007 to August 2014 Mr. Eisenberg also served as President of Novogyne Pharmaceuticals, a Women's Health commercial joint venture between Noven and Novartis Pharmaceuticals Corporation. Mr. Eisenberg was appointed President and Chief Executive Officer of Noven following Hisamitsu's acquisition of Noven. Prior to Noven Pharmaceuticals, Inc., Mr. Eisenberg gained extensive legal experience serving as Associate General Counsel and then as Acting General Counsel of IVAX Corporation, at the time a publicly-traded pharmaceutical company with global operations. Prior to serving at IVAX, Mr. Eisenberg was a lawyer in the corporate securities department of the Florida law firm of Steel Hector & Davis, where he began his professional career in 1990.

Mr. Eisenberg is an expert in corporate governance, having advised the boards of IVAX, Noven and others through a number of significant internal and external issues, including mergers and acquisitions, corporate financings, strategic alliances, CEO transitions, securities class action lawsuits, FDA warning letters and consent decrees, and development and implementation of corporate governance policies. Mr. Eisenberg holds a BS, Economics degree from the Wharton School of the University of Pennsylvania, and a JD degree from Columbia University Law School.

Philip O. Livingston, M.D. serves as a member of the Board of Directors and Chief Science Officer and, prior to the Merger, served as a member of the Board of Directors and Chief Science Officer of MabVax Therapeutics, Inc. from 2012. Dr. Livingston received his M.D. degree from Harvard Medical School, was Professor of Medicine in the Joan and Sanford Weill Medical College at Cornell University, and also Attending Physician and Member in Memorial Sloan-Kettering Cancer Center (MSKCC), where he treated melanoma patients and ran the Cancer Vaccinology Laboratory research lab for over 30 years until his retirement from MSKCC on October 1, 2011. HIs research focused on identification of suitable targets for immunotherapy of a variety of cancers, construction of polyvalent conjugate vaccines specifically designed to augment antibody responses against these targets, and identification of optimal immunological adjuvants to further augment the potency of these vaccines. He has more than 150 publications and four issued and three pending patents concerning cancer vaccines. Recently, he helped establish MabVax Therapeutics, Inc., and another biotech company, Adjuvance Technologies, Inc. MabVax Inc. supports two randomized Phase II trials with these MSK polyvalent vaccines and establishment of human monoclonal antibodies from the blood of immunized patients. The Company believes that Dr. Livingston's extensive expertise in immunotherapy qualifies him to serve as a member of the Board of Directors and Chief Science Officer.

Paul V. Maier joined our Board of Directors in July 2014. Since 2007, Mr. Maier has served as a member of the Board of Directors of International Stem Cell Corporation (a public life science company) and currently serves as the Chairperson of its Audit Committee and as a member of its Compensation and Governance Committees. Since 2012, he has served as Chairman of the Audit Committee and a member of the Governance Committee of the Board of Directors of Apricus Biosciences, Inc. (a public pharmaceutical company). Since 2015, he has served as Chairman of the Audit Committee and member of the Compensation Committee of the Board of Directors of Ritter Pharmaceuticals (a public pharmaceutical company). He also serves as a Director of Biological Dynamics, a private life science company. From 2009 to June 2014, he served as the Chief Financial Officer of Sequenom, Inc., (a public biotechnology company). Prior to Sequenom, Inc., he gained executive management experience through various management positions that make him suitable for membership on the Board of Directors of the Company. He served as Senior Vice President and Chief Financial Officer of Ligand Pharmaceuticals, Inc., where he helped build Ligand from a venture stage company to a commercial, integrated biopharmaceutical organization. Prior to Ligand Pharmaceuticals, Inc., Mr. Maier held various management and finance positions at ICN Pharmaceuticals.

Mr. Maier holds an M.B.A. from Harvard Business School and a B.S. from Pennsylvania State University. ​

Thomas C. Varvaro has served as a member of our Board of Directors since April 2015. Mr. Varvaro served as the Chief Financial Officer of ChromaDex Corp. from January 2004 to October of 217 and currently serves as Senior Vice President of Financing and as its secretary since March 2006. He also has served as a director of ChromaDex Corporation from March 2006 until May 2010. He has extensive process-mapping and business process improvement skills, along with a solid information technology background that includes management and implementation experiences ranging from custom application design to enterprise wide system deployment. He also has hands-on experience in integrating acquisitions and in new facility startups. In working with manufacturing organizations, he has overseen plant automation, reporting and bar code tracking implementations. He also has broad legal experience in intellectual property, contract and employment law. Prior to ChromaDex, he gained substantial management experience in a number of positions that make him suitable for membership on the Board of Directors of the Company. From 1998 to 2004 he was employed by Fast Heat Inc., a Chicago, Illinois based Global supplier to the plastics, HVAC, packaging, and food processing industries, where he began as controller and was promoted to Chief Information Officer and then Chief Financial Officer during his tenure. During his time there, he was responsible for all financial matters including accounting, risk management and human resources. Earlier in his career, he gained additional experience in other areas of information technology and accounting roles. From 1993 to 1998 he was employed by Maple Leaf Bakery, Inc., Chicago, Illinois, during its rise to becoming a national leader in specialty bakery products. During his tenure, Mr. Varvaro served in information technology and accounting roles, helping to shepherd the company from a single facility to national leader in specialty food products.

Mr. Varvaro holds a B.S. in Accounting from University of Illinois, Urbana-Champaign and is a Certified Public Accountant.​