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Management Team

Peter Maag, PhD

Chairman and Chief Executive Officer
Dr. Maag has over 20 years of executive management experience in the pharmaceutical and diagnostic industry. Prior to joining CareDx, Peter was President of Novartis Diagnostics. He headed the expansion of the unit with worldwide growth in its blood screening business and established new ventures in molecular diagnostics. Peter also led one of Novartis’ key affiliates as Country President, Germany, and lived in a dynamically-growing and emerging market as Country President, Korea. At Novartis headquarters in Switzerland, he served as the Head of Strategy for Novartis Pharmaceuticals and helped launch the Infectious Diseases franchise. Prior to joining Novartis, Peter worked at McKinsey & Company in New Jersey and Germany, focusing on pharmaceuticals and globalization strategies. Besides supporting various healthcare and tech companies in their growth efforts, he holds a supervisory board position at Phoenix Pharma SE and serves on the board of the Personalized Medicine Coalition in Washington, DC. Peter studied pharmaceutical sciences in Heidelberg and London, and received his PhD from the University of Berlin, Germany.

Michael Bell

Chief Financial Officer
Michael Bell brings over 20 years of international finance and accounting experience. Michael is the former CFO of Metabiota, an infectious disease risk analytics company. Previously, he served as the CFO of Singulex, a clinical diagnostics company, and has held leadership and executive positions within Novartis, including tenure as the CFO of Novartis Diagnostics, a global provider of blood screening solutions. Previously, Michael worked in public accounting at Ernst & Young and Deloitte. Michael holds a Bachelor of Science degree in Mathematics with Computing from the University of Leicester in the United Kingdom, and is a Fellow of the Institute of Chartered Accountants in England & Wales.

Paul Ciccolella

Senior Vice President, Global Operations
Paul Ciccolella brings 20 years of Engineering and Operations experience in the Life Sciences Tools industry. Before joining CareDx, Paul was Vice President, Engineering and Manufacturing at Pacific Biosciences, a global provider of Next-Gen Sequencing solutions. At PacBio he led the transfer and scale up of processes and product improvements for SMRT Cells (nanofabricated DNA sequencing chips) and managed a complex global manufacturing process. Prior to PacBio, Paul spent 11 years at Affymetrix in various roles of increasing responsibility in research and development, quality, and manufacturing, developing novel test methods that improved DNA microarray quality and laid the groundwork for future technology advancements. Paul studied Materials Science & Engineering, earning his Bachelor of Science from Cornell University and Master of Science from Stanford University.

Sham Dholakia, MD

DPhil Senior Vice President, Medical Affairs & Clinical Operations
Sham joins us from the University of Oxford, being trained in the UK as a transplant surgeon and served in the British Army.His ability to thrive under pressure and drive success; allowed him to bring successful solution delivery through his previous consulting role at GE Healthcare on a number of healthcare projects; where he went on to become a medical advisor to a number of UK based start-ups. Having trained and specialized in transplantation in Oxford, he is well-versed in using and manipulating data. Running qualitative and quantitative analysis, he has extensive knowledge and expertise in transplantation medical devices and diagnostics. Dr Sham Dholakia read medicine at Imperial College on the palmar scholarship and has a DPhil in Surgical Science and Transplant Immunology from University of Oxford.

Marissa Dixon

Vice President, Human Resources
Marissa Dixon has broad Human Resources experience in a range of high-growth, fast-paced industries. Over the last several years, she has specialized in the distinctive needs of the Biotechnology field.Prior to joining CareDx, Marissa served as the Vice President of Human Resources at Metabiota in San Francisco where her mission was to build an innovative Human Resources function and people programs to attract and retain high performing talent to the rapidly growing startup up focused on infectious disease data and analytics. Marissa has also held Senior HR Leadership roles in the SF Bay Area at DuPont Industrial Biosciences (formerly Genencor) and WageWorks. Marissa holds an M.S. in Human Resource Design and an M.A. in Psychology from Claremont Graduate University as well as an undergraduate degree in Social Sciences from Cal Poly San Luis Obispo.

Alexander L. Johnson

Vice President, Laboratory Solutions Business
Alex Johnson brings broad international business experience in pharma and clinical diagnostics. Prior to joining CareDx, Alex was Chief Operating Officer of BioGraph 55, a venture-backed immuno-oncology drug development company that uses advanced imaging analytics and machine learning to capture clinically relevant content from the tumor microenvironment. From 2009 to 2014 he was with Novartis, with roles at Novartis Diagnostics, a global provider of blood screening solutions and Novartis M&A based in Basel, Switzerland where he led acquisitions in oncology and diagnostics. Prior to Novartis Alex was with UBS Investment Bank in the Global Healthcare group. Mr. Johnson studied economics at Union College (NY) and received his M.B.A. in Finance from Columbia Business School.

Sasha King

Chief Marketing Officer
Sasha King brings over 10 years of diagnostics and genetic testing experience. Most recently she worked in companion diagnostics marketing at Genentech, and was a sales leader at Ariosa Diagnostics. While at Genentech, she worked on the launch of the first FDA approved cell free DNA test in oncology, the PD-L1 test launch, and the Foundation Medicine partnership. Sasha was an early member of the commercial team at Ariosa, a leader in the field of noninvasive prenatal testing (NIPT) which is now part of the Roche Group. She led the launch of their test into Asia Pacific and Canada. Sasha previously worked at Fletcher Spaght, a life science consulting and venture capital fund. Sasha received a bachelor of science in bioengineering from Massachusetts Institute of Technology and an MBA from Stanford Graduate School of Business.
Kashif Rathore

Kashif Rathore

Senior Vice President, Digital Business
Kashif Rathore has over 22 years of executive management experience in the healthcare and information technology industry. Before joining CareDx, Kashif was Vice President, Interoperability at Cerner Corporation, a global provider of electronic health records and population health solutions. He headed the expansion of the unit with worldwide growth in its interoperability business. Having served on the Board of Directors for CommonWell Health Alliance and Superscripts Advisory Council, he brings industry perspective that enables him to engage leaders across the industry to build alignment. Kashif holds a Bachelor of Business Administration degree in Management Information Systems from the University of Central Oklahoma, and a Bachelor of Arts degree in Mathematics from the University of Punjab. Kashif earned an Executive MBA from University of Missouri, Kansas City.

Reginald Seeto, MB.BS

President and Chief Business officer
Dr. Seeto is an experienced leader and has held executive leadership roles in both biotech and large pharma and across a broad range of functions. Before joining CareDx, Dr. Seeto was Chief Operating Officer at Ardelyx leading pre-launch efforts for tenapanor and corporate development where he completed a series of partnerships. Prior to this, Dr. Seeto worked at AstraZeneca/Medimmune and was a member of the MedImmune Executive Team. His responsibilities included leading corporate development and strategy, global strategic marketing and portfolio management for all therapeutic areas, as well as a country leadership role at AstraZeneca in Thailand. He started his career as a physician, during which time he performed a medical rotation in a renal transplant unit, before joining McKinsey and Company.

Amitabh Shukla

Senior Vice President, Technology
Amitabh joins us from Persistent Systems in Santa Clara where he was a Senior Vice President leading product and engineering teams to help diagnostic companies develop new ways to diagnose diseases using data from EMRs, genomic sequencing and CT scans by applying machine learning and artificial intelligence methodologies. Prior to Persistent Systems, Amitabh has had a long career in engineering with increasing scope of responsibilities at well-known companies such as Life Technologies, Agilent Technology, and IBM. Amitabh has a Bachelor of Science in Biology and Computer Science from Suffolk University, a Master of Science in Computer Engineering from Boston University and has completed PhD coursework in Computer Systems (specializing in machine learning) at Northeastern University.

Robert N. Woodward, PhD

Senior Vice President, Research and Development
Dr. Robert Woodward has led research and development projects in transplant diagnostics and gene expression discovery for over 20 years. Most recently at CareDx he was responsible for the bioinformatics, biostatistics, and laboratory teams that developed and validated AlloSure, an application of cell-free DNA to solid organ transplantation. Earlier in his career, he initiated biomarker discovery efforts with BioCardia and XDx and subsequently led the laboratory development of AlloMap, a gene expression test that has become an integral component of precise patient care in heart transplantation. During a post-doctoral fellowship at the Gladstone Institutes and University of California San Francisco, Dr. Woodward developed unique methods for analysis of gene regulation in vivo to study atherosclerosis. Following a bachelor’s degree in biology from Missouri State University, Dr. Woodward earned his Ph.D. in physiology at the University of Missouri-Columbia where he described the effects of a new transcription factor in the coordinate regulation of gene expression in response to steroids.