Adam Logal is a well-established executive with 20 years of experience in the biopharmaceuticals industry. Since April 2014, Mr. Logal has served as Senior Vice President, Chief Financial Officer, Chief Accounting Officer and Treasurer of OPKO Health, Inc., a publicly-traded company, and from March 2007 until April 2014 served as OPKO's Vice President of Finance, Chief Accounting Officer and Treasurer. Mr. Logal served as a director of VBI Vaccines, Inc., a publicly-traded company, from May 2015 through October 2018 and served as its Audit Committee Chairman. Prior to joining OPKO, Mr. Logal served in various financial management roles at Nabi Biopharmaceuticals, a commercial stage biopharmaceutical company. Mr. Logal is a strategic finance executive with extensive experience in SEC compliance and reporting, domestic and international finance, strategic planning, cash flow management, budgeting, taxation, treasury and business development.

Mr. Eisenberg was appointed Chief Executive Officer of Xenetic in October 2017. He joined Xenetic's management team in December 2016 as Chief Operating Officer and has served on the Company's Board of Directors since July 2016. He is a seasoned life science executive with over 20 years of broad operational expertise. Over the course of his career, Mr. Eisenberg has led all crucial areas of R&D, operations, manufacturing/quality, business development, strategic partnering, product development, commercialization, and talent management. Prior to joining Xenetic, his most recent position was Chief Executive Officer of Noven Pharmaceuticals, where during his tenure as CEO revenues more than doubled, the company's cash increased by more than 300%, and two new products were launched following the successful filings of New Drug Applications (NDAs) submitted to the U.S. Food and Drug Administration. Mr. Eisenberg also was responsible for leading Noven's Novogyne joint venture with Novartis (NYSE: NVS), an entity that generated over $300 million in revenue in its last full year of operation.

Grigory G. Borisenko, Ph.D. has over 20 years of scientific, management and strategic experience in the life science field. Dr. Borisenko has served as an Investment Director of RUSNANO Management Company LLC, a venture capital & private equity management company in Russia, and has specialized in investment projects in life sciences from 2012 through March 31, 2022. From 2009 through 2012, he served as a head of the pharmaceutical sector of the Department of Science and Technology Expertise at the state corporation, RUSNANO. Dr. Borisenko currently serves on the Board of Directors of Novamedica LLC and RusnanoMedInvest LLC. Prior to that he served on the board of directors of Atea Pharmaceuticals, Inc., Adastra Pharmaceuticals, Inc., and Nearmedic Pharm LLC. Prior to his investment career, Dr. Borisenko held academic appointments with the University of Pittsburgh, Russian State Medical University and Institute of Medico-Biological Problems. He has co-authored over 50 peer-reviewed publications in leading biochemistry and cell biology journals. Dr. Borisenko received his M.S. and Ph.D. from the Russian State Medical University and is a recipient of Fogarty International and International Fellowship Awards from NIH.

James Eric Callaway, Ph.D., brings to Xenetic over 30 years of experience in the execution of product development operations for biotherapeutics and currently serves as an independent board member of KalGene Pharmaceuticals (“KalGene”) and Nuravax. Dr. Callaway is a seasoned CEO within the venture-backed biotech community and over the course of his career he has built and operated two companies, transforming each from research companies to clinical stage operating entities. He also serves as a Corporate Strategy Consultant to the biotech community at Callaway Innovations. Dr. Callaway has served as CEO of privately-held biotech companies including KalGene, a company focused on disease-modifying therapies in Alzheimer’s Disease, ArmaGen, Inc., a BBB transport company, and CEBIX, Inc., a diabetic neuropathy company. Prior to these efforts, Dr. Callaway held multiple senior leadership positions at Elan Pharmaceuticals, including simultaneously acting as Head of Development and overseeing the complex partnership with Wyeth Pharmaceuticals in the Alzheimer’s disease immunotherapy program. He has developed antibodies for a wide-range of therapeutic applications over the past two decades, including treatments of multiple sclerosis (Tysabri®: pharmaceutical development), Alzheimer’s disease (bapineuzumab: Program Executive), and blood-brain barrier transport, and has worked with the United Stated Food and Drug Administration on multiple orphan drug development programs.

Firdaus Dastoor was appointed non-executive Director of Xenetic in January 2014. He has been employed by the Cyrus Poonawalla Group, a conglomerate in India with interests in horse breeding, biotech and life sciences, and financial services, in business development strategies and operational roles since October 1981. Mr. Dastoor is currently a Group Director in charge of Finance and Corporate Affairs and Company Secretary of the Serum Institute of India Private Limited at the Cyrus Poonawalla Group. He has been a Fellow Member of The Institute of Company Secretaries of India since 1990. Mr. Dastoor is on the board of several private companies operating in the fields of life sciences and biotech, international trade, financial services and quality standards certifications. Mr. Dastoor received a B.A. in Commerce from the University of Poona.

Dr. Kornberg was appointed to the Board of Directors of the Company in February 2016. Dr. Kornberg is a member of the U.S. National Academy of Sciences and the Winzer Professor of Medicine in the Department of Structural Biology at Stanford University. He earned his bachelor's degree in chemistry from Harvard University in 1967 and his Ph.D. in chemical physics from Stanford in 1972. He became a postdoctoral fellow at the Laboratory of Molecular Biology in Cambridge, England and then an assistant professor of biological chemistry at Harvard Medical School in 1976, before moving to his present position as professor of structural biology at Stanford Medical School in 1978. In 2006, Dr. Kornberg was awarded the Nobel Prize in Chemistry in recognition for his studies of the molecular basis of Eukaryotic Transcription, the process by which DNA is copied to RNA. Dr. Kornberg is also the recipient of several awards, including the 2001 Welch Prize, the highest award granted in the field of chemistry in the United States, and the 2002 Leopald Mayer Prize, the highest award granted in the field of biomedical sciences from the French Academy of Sciences.

Dr. Alexey Vinogradov currently serves as Business Development Director and Operations Director at Cantreva LLC, a Russian company with extensive specialized experience of delivering services in the field of renewable energy (solar, wind, hydro power), performing works on a “turnkey” basis, since September 2017. Dr. Vinogradov previously served as General Manager at Togas Middle East LLC in Dubai, UAE from May 2015 to May 2017. Prior to that, Dr. Vinogradov served as branch manager at Togas Group LLC in Russia from March 2012 to November 2016.