Management Team

John Dobak, M.D.

President and CEO

John Dobak, MD, has served as Founder and CEO of several venture-backed life science companies in San Diego. Dr. Dobak is the President of the JAKK Group, a life sciences technology accelerator, which has created several companies, including Lithera, INNERCOOL Therapies, and CryoGen/CryoCor. These companies have developed and marketed therapeutics, ranging from endovascular hypothermia to treat cardiac arrest to catheter-based treatments for cardiac arrhythmias. They have been financed by top tier investment firms and have achieved exits through acquisition and an IPO. Dr. Dobak and these companies are the recipients of several awards for entrepreneurship and innovation, including UCSD Connect’s Most Innovative New Product and MIT’s TR 100. Dr. Dobak received a bachelor’s degree from UCLA and a medical doctorate from UCSD.

Kevin Sun

Chief Financial Officer

Kevin Sun brings nearly two decades of corporate finance experience, including debt and equity financings, acquisitions, commercial product launches and infrastructure scaling and expansion projects mostly in the medical device and diagnostic industries. Previously, Mr. Sun served in various executive and management roles for DexCom, Inc., a NASDAQ-listed medical device company, including most recently as Vice President, Corporate Controller and Treasury, Interim Chief Financial Officer, and Vice President, Finance, and had key roles during a phase of significant growth and expansion. Prior to DexCom, Mr. Sun held various roles of increasing responsibility at Biosite Incorporated, a NASDAQ-listed leader in rapid point of care diagnostics. Mr. Sun holds a Bachelor of Science in Business with a dual major in Accounting and Finance, a minor in Psychology, a master’s degree in Strategic Management and an MBA from the Kelley School of Business at Indiana University.

Zuxu Yao, Ph.D.

Chief Scientific Officer

Dr. Yao has over 25 years of academic and industrial experience with a track record of successful development of various molecular diagnostic products. Prior to joining DermTech, Dr. Yao had served as Vice President of Assay Development at Nexogen, Associate Director of Research and Development at Adnavance Technologies, Principal Scientist (R&D) at Celula and Senior Staff Scientist (R&D) at Nanogen. Dr. Yao holds a PhD degree in Biochemistry from Memorial University of Newfoundland (Canada) and received post-doctoral research training at the School of Medicine, University of California, San Diego (UCSD) and at the National Institute of Basic Biology in Okazaki (Japan). He has published over 40 scientific papers in peer-reviewed journals and owns numerous patents on rapid nucleic acid extraction, nucleic acid target amplification and detection for diagnostic application.

Burkhard Jansen, M.D.

Chief Medical Officer

Burkhard Jansen, MD, is a melanoma expert with background as a tenured professor of both dermatology and clinical pharmacology with FDA experience. Dr. Jansen has served as founder, director, and senior executive of a number of dermatology and oncology focused life sciences companies, including Novelix, Avienne, and Oncogenex in the US, Canada, and Europe. Dr. Jansen received his medical doctorate and dermatology training from the Universities of Graz and Vienna in Austria, his postdoctoral science training at the University of Minnesota, and his executive business education at UCLA.

Todd Wood

Chief Commercial Officer

Todd Wood brings more than 25 years of pharmaceutical and medical device commercialization experience to his position as Chief Commercial Officer at DermTech where he oversees the Sales and Marketing function. While leading commercial teams in Dermatology, Eye Care and Aesthetics, Todd has expanded and restructured large multibillion-dollar organizations such as Allergan’s Eye Care franchise and launched and/or aligned execution of multiple market leading products including Botox, Juvederm, Lumigan and Rhofade. Todd has built operational infrastructures in start-up organizations and developed business units in large transitioning companies. As an accomplished leader in the industry, he has developed a multitude of personnel to positions of greater responsibility. Todd has a track record of success in building highly effective organizations due to his ability to combine operational expertise and authentic leadership. Todd received a bachelor’s degree from Grand Valley State University.

Darryl Garrison

Vice President, Lab Operations

Darryl Garrison has over 20 years of experience in the healthcare industry, including cancer diagnostics and CLIA laboratory operations. He was an original member of Clarient Diagnostic Services and later established NeoGenomics West Coast CLIA operations. He has served as founder, director and vice president for a number of CLIA laboratories, including Clarient, NeoGenomics, Pathway Genomics, Arista Molecular and VantagePoint Laboratories. He has a Bachelor of Science in Microbiology, a Master of Science in Molecular Biology and currently holds State CLS licenses in CA and NY.

Sarah Dion

Vice President, Marketing

Sarah Dion comes to DermTech with a successful track record of leading, innovation, development, and product commercialization in many fields of life science, including experience in pharmaceuticals, diagnostics and laboratory services. Her background includes work in research, product development, marketing, and leading a sales organization of over 85 personnel. Prior to DermTech, she held the position of Vice President Commercial Operations at LABS Inc. where she led the commercial team of sales, marketing, IT and client solutions. Mrs. Dion joined LABS after working as Senior Sales Director at Pathway Genomics where the sales team grew revenues and volume by over 2,000% year over year and was recognized by industry magazines as one of the fastest growing companies in the US. She holds a bachelor’s degree in Chemistry from Covenant College and an MBA from PLNU.

James Rock

Vice President of Clinical Operations and Research Contracts

James Rock, currently serves as the Vice President of Clinical Operations and Research Contracts. He has over 15 years of experience having worked in clinical and business development capacities including partnering activities, raising capital and product development. He has been instrumental in bring several products to marking including OTC, prescription drugs, and novel in vitro diagnostics. Previously he was Vice President of Clinical Affairs for Trinity Biotech, Director of New Product Development and Interim CEO at Pacific Beach BioSciences, and Director of Clinical Development at MPEX Pharmaceuticals. Mr. Rock holds a Bachelor of Science from the University of Vermont, received his MSc degree from Springfield College, and his MBA from Pepperdine University.