Executives & Advisors
Mark A. Emalfarb President and Chief Executive Officer
Mark A. Emalfarb
President and Chief Executive Officer

Mark A. Emalfarb is the founder of Dyadic. He has been a member of Dyadic’s board of directors since October 2004 and has served as its Chairman as well as President and Chief Executive Officer from October 2004 until April 2007 and from June 2008 until the present.

Since founding Dyadic in 1979, Mr. Emalfarb has successfully led and managed the evolution of Dyadic from its origins as a pioneer and leader in providing ingredients used in the stone-washing of blue jeans to the discovery, development, manufacturing and commercialization of specialty enzymes used in various industrial applications and the development of an integrated technology platform based on Dyadic’s patented and proprietary C1 fungal microorganism.

Mr. Emalfarb is an inventor of over 25 U.S. and foreign biotechnology patents and patent applications resulting from discoveries related to the Company’s patented and proprietary C1 fungus, and has been the architect behind its formation of several strategic research and development, manufacturing and marketing relationships with U.S. and international partners.

Mr. Emalfarb earned his B.A. degree from the University of Iowa in 1977.

Ronen Tchelet Vice President of Research and Business Development
Ronen Tchelet
Vice President of Research and Business Development

Ronen Tchelet joined Dyadic in May 2013 and has been Dyadic’s Vice President of Research and Business Development since January 2016. Dr. Tchelet received his Ph.D. in Molecular Microbiology and Biotechnology from Tel Aviv University in 1993 and did his postdoctoral as an EERO fellow at the Institute of Environmental Science and Technology (EAWAG) in Switzerland.

In the late 2000’s, he joined the API Division of TEVA Pharmaceutical Industries LTD., where he served as a Chief Technology Officer of Biotechnology. Dr. Tchelet leaded and directed the Research and Development Biotechnology department of TEVA’s fermentation plant in Hungary. In his work he managed and organized Biotechnology and Biosimilar projects that combined multidisciplinary areas such as development, operation, and production of API and biologics. In addition, from 2000 – 2005, Dr. Tchelet was the QA manager of COPAXONE® the flag ship TEVA¹s innovative drug.

From 2007 through 2013, prior to joining Dyadic, Dr. Tchelet became the founder and the Managing Director of Codexis Laboratories Hungary kft. (CLH) and a Vice President of Codexis Inc. At CLH, he established a state-of-the-art laboratory for strain engineering and all aspects of fermentation work including process optimization and scaling up. It was during this time that Dr. Tchelet engaged with the C1 technology that was successfully developed for the Biofuel and the Bio-Industrial enzymes fields.

Matthew S. Jones Managing Director, Business Development & Licensing
Matthew S. Jones
Managing Director, Business Development & Licensing

Matthew S. Jones joined Dyadic in 2016 as Dyadic’s Chief Commercial Officer.  In this role, Mr Jones is responsible for leading Dyadic’s strategic partnering, licensing and commercial activities.

A veteran of the life sciences industry with two decades of commercial leadership experience and deal making, Mr. Jones has led and transformed commercial growth and M&A strategies for a diverse range of science businesses both in Europe and the US.  Prior to joining Dyadic he served as Chief Commercial Officer for Concept Life Sciences from its formation until 2016 –  prior to that, Mr. Jones was Vice President of Global Sales & Business Development at Lonza Biologics, where he implemented new income-generating streams alongside capturing enterprise and cross-divisional synergies in manufacturing, research and client/vendor relationships.  From 2009-2012 Mr. Jones served as Executive Vice President of Business Development & Marketing at Ricerca BioSciences LLC  where key responsibilities included strategic deal making, royalty and asset license optimisation and marketing effectiveness. From 2003-2009 Mr. Jones was Senior Vice President of Business Development at MDS Pharma Services Inc. where he led the BioPharmaceutical commercial growth platforms. Mr. Jones has also held senior level biologic and clinical leadership roles within the biopharmaceutical industry with Alkermes, Inc. and from 1998 with GlaxoSmithKline PLC.

Chief Accounting Officer Ping W. Rawson Chief Accounting Officer
Ping W. Rawson
Chief Accounting Officer

Ping W. Rawson was appointed Chief Accounting Officer in March 2018. She currently serves as the Company’s principal financial officer, and is responsible for all aspects of finance, tax and treasury. Prior to joining Dyadic in June 2016 as our Director of Financial Reporting, Ms. Rawson served as a technical accounting management position for ADT security services, where she led accounting and financial reporting workstream for acquisition, integration and restructuring.  Prior to that, Ms. Rawson was an accounting research principal for NextEra Energy, Inc. (Florida Power & Light Company), where she was responsible for accounting research and new standards implementation. Previously, Ms. Rawson was a manager at Deloitte in New York City, where she was a subject matter specialist for derivatives, financial instruments and valuation, providing audit, SEC reporting, and capital markets consulting services to large banking and multinational public companies in the financial service industry.  Ms. Rawson holds both a M.B.A. in Finance, and a M.S. in Accounting from the State University of New York at Buffalo, and a B.S. in Economics from Guangdong University of Foreign Studies in China. She is a certified public accountant in the state of New York.

Michael P. Tarnok
Michael P. Tarnok

Michael P. Tarnok, 59, joined Dyadic’s board of directors June 12, 2014 and has served on the company’s audit and compensation committees, and on January 12, 2015 Mr. Tarnok was appointed Dyadic’s Chairman of the Board of Directors. He has served on the Board of Directors of Keryx Biopharmaceuticals, Inc. since September 2007 and as Chairman of the Board Since June 2009. Mr. Tarnok served as interim chief executive officer from April 2009 to May 2009. He is a seasoned finance and operational executive with extensive pharmaceutical industry experience in a wide range of functional areas. Mr. Tarnok spent the majority of his career at Pfizer Inc., which he joined in 1989 as Finance Director-US Manufacturing and from 2000-2007 served as a Senior Vice President in Pfizer’s US Pharmaceutical Division. In this position, Mr. Tarnok handled all financial responsibilities for the division including contracting, trade management, forecasting of significant product launches and Sarbanes-Oxley compliance. He also served as General Manager of the company’s Greenstone generics division. Prior to joining Pfizer, Mr. Tarnok worked primarily in financial disciplines for ITT Rayonier, Inc., Celanese Corporation and Olivetti Corporation of America. Mr. Tarnok earned an M.B.A in Marketing from New York University and a B.S. in Accounting from St. John’s University.

Mark A. Emalfarb
Mark A. Emalfarb

Mark A. Emalfarb is the founder of Dyadic. He has been a member of Dyadic’s board of directors and has served as its Chairman since October 2004 until April 2007 and from June 2008 until January 2015. Since founding the predecessor to Dyadic in 1979, Mr. Emalfarb has served as a Director, President and Chief Executive Officer and has successfully led and managed the evolution of Dyadic from its origins as a pioneer and leader in providing ingredients used in the stone-washing of blue jeans to the discovery, development, manufacturing and commercialization of specialty enzymes used in various industrial applications and the development of an integrated technology platform based on Dyadic’s patented and proprietary C1 fungal microorganism. Mr. Emalfarb is an inventor of over 25 U.S. and foreign biotechnology patents and patent applications resulting from discoveries related to the Company’s patented and proprietary C1 fungus, and has been the architect behind its formation of several strategic research and development, manufacturing and marketing relationships with U.S. and international partners. Mr. Emalfarb earned his B.A. degree from the University of Iowa in 1977.

Seth J. Herbst, MD
Seth J. Herbst, MD

Seth J. Herbst, MD has been on Dyadic’s board of directors since June 2008 and is a board certified obstetrician/gynecologist who is also board certified in advanced laparoscopic and minimally invasive gynecologic surgery. Dr. Herbst is the founder and President of the Institute for Women’s Health and Body, an OB/GYN practice with multiple locations in Palm Beach County, Florida. He is the co-founder of Visions Clinical Research which performs medical and surgical clinical trials throughout the United States. Dr. Herbst is also a consultant for multiple medical device companies in the United States and a member of medical advisory boards for these and other companies. He received his B.S. degree from American University in 1978 and his medical degree from Universidad del Noreste School of Medicine in Tampico, Mexico in 1983.  Dr. Herbst completed his OB/GYN residency and was Chief Resident at Long Island College Hospital in Brooklyn, New York.

Jack L. Kaye
Jack L. Kaye

Mr. Kaye is a seasoned financial executive with over forty years of diversified experience. He is currently the Chairman of the Audit Committee of Keryx Biopharmaceuticals, Inc. (NASDAQ: KERX) where he has served since 2006. He previously served on the board of directors of Tongli Pharmaceuticals (USA), Inc., a China-based pharmaceutical company and Balboa Biosciences, Inc., a privately held biotech company. In addition, he was selected to participate in the Astellas, Inc./OSI. and Roche Pharmaceuticals, Inc./Illumina hostile takeover transactions, and served as a member of the Roche/Illumina dissident board slate. Mr. Kaye began his career at Deloitte LLP, an international accounting, tax and consulting firm, in 1970, and was a partner in the firm from 1978 until May 2006. At Deloitte, he was responsible for serving a diverse client base of public and private, global and domestic, companies in a variety of industries. Mr. Kaye has extensive experience consulting with clients on accounting and reporting matters, private and public debt financings, SEC rules and regulations and corporate governance/Sarbanes-Oxley issues. In addition, he served as Deloitte’s Tri-State liaison with the banking and finance community and assisted clients with numerous merger and acquisition transactions. Prior to retiring, Mr. Kaye served as Partner-in-Charge of Deloitte’s Tri-State Core Client practice, a position he held for more than twenty years. Mr. Kaye has a Bachelor of B.B.A. degree from Baruch College and is a Certified Public Accountant.

Arindam Bose
Arindam Bose

Mr. Bose joined Dyadic’s Board of Directors on August 15, 2016.  Dr. Bose retired from Pfizer Research & Development after 34 years in leadership roles in bioprocess development and clinical manufacturing.  For the last six years of his Pfizer tenure, Dr. Bose served as Vice-President, Biotherapeutics Pharmaceutical Sciences External Affairs and Biosimilar Strategy with responsibility for external sourcing, competitive intelligence and external influencing, as well as for executing the technical development plan for Pfizer’s entry into biosimilars. The latter effort resulted in the successful submission of 5 biosimilar Investigational New Drug Applications (INDs) to the FDA: all of which are now in Phase 3 testing.  Dr. Bose was a member of the Bioprocess Leadership Team (BPLT) – Pfizer’s most senior oversight body for technical development and manufacturing of biotechnology products.  Arindam is widely recognized as a Key Opinion Leader in the biopharmaceutical industry.  He has served as the Chair of the Biologics and Biotechnology Leadership Committee of the Pharmaceutical Research and Manufacturers of America (PhRMA), the chief advocacy arm of the US pharmaceutical industry. His outstanding accomplishments have been recognized by his election as “Fellow” of 3 leading professional organizations: American Chemical Society, American Institute of Chemical Engineers and American Institute for Medical and Biological Engineering.  Dr. Bose began his career as a research scientist at the Battelle Memorial Institute working on biochemical process technology.  He received a Ph.D. in chemical engineering from Purdue University and a M.S. from the University of Michigan, Ann Arbor.

Barry C. Buckland
Barry C. Buckland

PhD in Biochemical Engineering at University College London obtained in 1974.  Joined the Merck Research Laboratories (MRL) in 1980 and built a world class Bioprocess R&D group.  Leader of process development of all biologically made product candidates within the MRL pipeline and manufacture of Clinical Supplies during a 20 year time frame. Products developed within this period include MEVACOR®, ZOCOR®, IVOMEC®, CANCIDAS®, RECOMBIVAX HB®, VAQTA®, VARIVAX®, COMVAX®., ROTATEQ® (Rotavirus vaccine),  ZOSTAVAX® (shingles vaccine) and GARDASIL® (HPV vaccine).  External awards and appointments include being elected to the National Academy of Engineering in 1997 and Fellow of University College London in 1998.  Awards include the Donald Medal, UK Institute of Chemical Engineering in 2002, Prix Galien award:  Member of team to receive Vaccine Award for Gardasil® in 2007, Merck Board of Directors Award for leading process development for licensure of four (4) new vaccines in 2007. Chaired two International Conferences on Cell Culture (Cell Culture Engineering IV and Cell Culture Engineering V) and co-chaired the first three International Conferences on Metabolic Engineering. Co-chaired the first four International Conferences on Vaccine Technology. Author or co-author of over 70 papers.  Visiting Professor at University College London for past 15 years.  In October 2008, named by AIChE as one of the “One Hundred Chemical Engineers of the Modern Era” (defined as from World War II to Present) as part of the AIChE Centennial Celebration in Philadelphia, USA and also awarded Marvin Johnson Award by ACS (American Chemical Society) for lifetime contribution to Biotechnology.  Awarded PhRMA Discoverer of the Year award in April,2009 for development of the Merck HPV vaccine (along with Eliav Barr and Kathrin Jansen).  Starting in May 2009; CEO, BiologicB. Since this time have provided consultancy worldwide to a number of companies and not-for-profit institutions, in all areas of Biologics including Vaccines, Therapeutic Proteins and Cell Therapy.Chair of Board for a not-for-profit organization, Engineering Conferences International. Continue as Visiting Professor at University College London. Co-Founder of start-up company Enumeral Biomedical. Head, Bioprocess Development at Protein Sciences (recently changed to Senior Advisor). The first recombinant Influenza vaccine, Flublok®, was licensed in January 2013. Appointed Executive Director of NIIMBL (The National Institute for Innovation in Manufacturing Biopharmaceuticals) in February, 2017.