Meet Our Team

We're all about connecting the dots. From problem-solving to discovering new solutions, we pride ourselves on assembling a team that values curiosity, determination, and creative, empathic thinking.

Visby Leadership

Adam de la Zerda, PhD

Founder & CEO

Adam de la Zerda, PhD

Founder & CEO

Dr. Adam de la Zerda is the Founder and CEO of Visby Medical. Dr. de la Zerda is also an Assistant Professor at Stanford University School of Medicine. In 2012, he became the youngest tenure track faculty at Stanford Medical School. He has experience in basic and translational research in molecular diagnostics, with biomedical engineering training during his PhD studies at Stanford University, chemistry and biochemistry postdoctoral training at University of California at Berkeley, and electrical engineering, computer science and physics training in his undergraduate studies at the Technion – Israel Institute of Technology. He has received over 20 honors and awards including Forbes Magazine 30-under-30 in Science and Healthcare in 2013 and 2014, Chan-Zuckerberg Investigator from Facebook Founder and CEO Mark Zuckerberg, DP5 Early Independence Award from the Director of the NIH, and he recently gave a popular TED Talk.

Mark Ibison

Chief Financial Officer

Mark Ibison

Chief Financial Officer

Mark has over 20 years of financial management and planning across biotech and diagnostics sectors with extensive experience developing effective financial models that drive performance. Most recently, he held the position of Chief Financial Officer for Mesa Biotech, a healthcare company that utilizes rapid-PCR to provide results for infectious disease testing. Previously, he was the Chief Financial Officer for SOLVD Health and Vice President of Finance for Thermo Fisher Biosciences. Mark is currently an associate member of the Chartered Institute of Management Accountants and the Association of Corporate Treasurers.

Christopher Jowett

Chief Commercial Officer

Christopher Jowett

Chief Commercial Officer

Christopher Jowett is the CCO at Visby Medical, bringing over 30 years of diagnostic sales and marketing experience. Most recently, Jowett held the role of VP Sales, North America at QIAGEN Inc., a provider of sample and assay technologies for molecular diagnostics. He held various leadership roles within Abbott Laboratories, where he launched a range of products, including the Precision PCx point-of-care blood glucose monitoring system and the Abbott m2000 System for real-time molecular testing of infectious disease markers. Christopher established the Companion Diagnostics franchise, leading several successful development projects with pharmaceutical partners focused on new therapies targeting genomic alterations in tumor cells. He also served as COO at Analyte Health, a digital healthcare platform and telemedicine practice focused on direct-to-consumer diagnostic solutions nationwide. Christopher believes a successful business exceeds customers’ expectations and inspires individual growth within the organization.

Gary Schoolnik, MD

Chief Medical Officer

Gary Schoolnik, MD

Chief Medical Officer

Dr. Schoolnik is Chief Medical Officer, Visby Medical. He is also Professor of Medicine (emeritus), Stanford Medical School, Attending Physician in Internal Medicine and Infectious Diseases at Stanford University Hospital and Associate Director of Stanford’s Institute for Immunology, Transplantation and Infection. Dr. Schoolnik received his M.D. degree and infectious diseases subspecialty training at the University of Washington in Seattle, served as medical intern, resident and chief resident at Harvard’s Massachusetts General Hospital in Boston and he was a research associate and associate physician at the Rockefeller University in Manhattan. While on the Stanford Medical School faculty he served as Chief of the Division of Infectious Diseases and Geographic Medicine. National service included his appointment to the Advisory Council of the National Institutes of Allergy and Infectious Diseases of the NIH and his role as chair of the NIH Trans-Institute Committee on the Human Microbiome and co-chair of the NIH Blue Ribbon Committee on Bioterrorism. International consultative activities include the Board of Scientific Counselors of Fudan University in Shanghai. He was founding editor of the journal Molecular Microbiology and Associate Editor of the Journal of Clinical Investigation. His academic research focuses on the molecular, genetic and genomic aspects of infectious agents and on the development of new drugs, vaccines and diagnostics. Gary has 6 issued patents.

Alicia Zuiker

Chief People Officer

Alicia Zuiker

Chief People Officer

Alicia Zuiker is the Chief People Officer at Visby Medical, bringing over 16 years of experience in HR across organizational design and transformation, culture and talent management, executive coaching, and DE&I expertise. Most recently she held the position of Director People Operations, Customer Experience at Google. Alicia also worked with General Electric for nearly 15 years in a variety of roles, including Vice President of Human Resources. Her proven success in driving business outcomes through people and culture, will be essential to Visby Medical as they continue to grow and deliver new products and innovations.

Mark Medlen

SVP of Manufacturing and Operations

Mark Medlen

SVP of Manufacturing and Operations

Mark is a career operations, engineering and supply chain executive with more than 34 years of experience. He has held leadership roles at several industry leading companies including Abbott Labs, Flextronics, Harry’s, Texas Instruments, Micron, and JUUL. Mark has managed a number of technology manufacturing operations around the world, producing a diverse array of products including medical devices, consumer electronics, industrial products, network equipment, razors and semiconductor fabrication equipment. Additionally, Mark was a founding partner of Riverwood Solutions, an outsourced operations management services and consulting company providing a broad range of services for leading start-ups and Fortune 500 companies. He has advised and actively managed well over 100 new product introductions, product transfers, and product development and industrialization programs in the U.S., Europe, Mexico and Asia. Mark has a BS in Materials Engineering from Purdue University and has eleven U.S. patents. He has occasionally guest lectured on design for supply chain, outsourced manufacturing and supply chain management at the University of Texas in Austin.

Ramil Yaldaei

SVP Global Supply Chain

Ramil Yaldaei

SVP Global Supply Chain

Ramil is an accomplished Global Supply Chain and Operations Executive with 20+ years’ experience creating and leading a world-class supply chain that is innovative, flexible and scalable delivering competitive advantage to the company that streamline manufacturing operations and integrate supply chains. He spent the last few years offering global experiences helping companies define and execute more precise alignment with their customer base to position successful future innovation. Prior to RYCC, Ramil spent 12 years at Applied Materials where he was instrumental overseeing supply chain management leading global commodities management systems and ultimately becoming the Vice President and General Manager of Global Part Sourcing and Technology. In his earlier years, Ramil worked for Therma-wave as a Sr. Vice President of Operations, leading R&D and scientists that designed the first Integrated Spectroscopic Ellipsometer in the world from concept to successful installation. He also spent time as the Managing Director of Global Sourcing and Operations at Lam Research Corporations, achieving world class operations for remote factories. He holds his Master of Science and Bachelor of Science in Physics from San Jose State University. Master thesis: Isotopic Ratio Measurement using Ultra-High Resolutions Infra-Red Tunable Diode Laser Spectroscopy. He holds a patent on the UV Curemeter and related method.

Rich Laguna

VP of Quality

Rich Laguna

VP of Quality

Rich has over 25 years of Diagnostic and Medical Device experience with increasing responsibilities and leadership. Prior to joining Visby, Rich served 7 years as the Director of Quality Assurance & Regulatory Affairs at iRhythm Technologies where he led quality scale efforts and regulatory strategies achieving significant growth milestones for the company. Rich has served in Quality and Operational roles within various technologies both in the start-up and mature environments including Venous Health Systems, Siemens Healthcare, Curexo Medical, Kyphon Inc., Guidant, and Abbott Diagnostics Division. Rich received his Bachelor of Science degree in Business Management from the University of Phoenix.

Beth Lingenfelter

VP Clinical and Regulatory Affairs

Beth Lingenfelter

VP Clinical and Regulatory Affairs

Beth has over 25 years of experience in leadership roles in Quality, Regulatory, Clinical, and Scientific Affairs for molecular in vitro diagnostic companies. She has extensive experience working in highly entrepreneurial environments and has been responsible for starting several new departments for companies that are in the process of establishing businesses in the IVD space. This includes implementation of a robust quality system at Myriad Genetics (a CLIA and New York State certified laboratory specializing in resequencing to determine cancer risk) and starting the Quality, Regulatory and Clinical Affairs Departments at Idaho Technology (now known as BioFire Diagnostics) a highly successful IVD and biotechnology company. While leading Regulatory and Clinical Affairs at BioFire, we obtained FDA clearances and CE marking for 3 molecular syndromic infectious disease tests with review times that were consistently less than the 90-day review period. Beth holds a MS in clinical laboratory science from the University of Illinois at Chicago and enjoys being outside hiking, biking, skiing or playing tennis.

Leslie Marquez

VP Customer Experience

Leslie Marquez

VP Customer Experience

Ms. Marquez has over 30 years’ experience building and managing customer-facing teams in the healthcare and life sciences industries. She built her expertise in talent development and people management while leading membership, patient, physician and commercial services teams at Aetna Health Plans, Pacific Partners Management Services, Apria Healthcare and most recently at Genomic Health. As an early employee at Genomic Health, Leslie built and expanded Customer Service into a global Customer Experience and Order Fulfillment organization supporting the successful launch of the company’s Breast, Colon and Prostate assays. Leslie holds a Bachelor’s of Arts in English Literature from SUNY Geneseo.

Bill Meyer

VP of Finance

Bill Meyer

VP of Finance

Mr. Meyer has over 30 years of leadership experience in Silicon Valley finance and accounting. He’s helped several public and late-stage private companies develop strategic plans and implement tactical growth and restructuring plans. He’s led multiple public offerings and buyside and sellside transactions of up to $600 million. Prior to joining Visby, Bill provided strategic and tactical financial consulting services to leading Silicon Valley companies in various industries, including medical diagnostics. Previously, he held Chief Financial Officer and other senior finance roles at Bell Microproducts, Broadvision, inSilicon, Phoenix Technologies and Arthur Andersen. He received his BS degree from California State University, Sacramento, and is a CPA in the state of California (inactive).

Shaunak Roy, PhD

VP of Research and Development

Shaunak Roy, PhD

VP of Research and Development

Dr. Roy has 16 years experience developing complex biomolecular systems in the Life Science and In Vitro Diagnostics industries. He was the eighth employee hired at Geneweave Biosciences, where he eventually went on to become the head of engineering and develop an instrument and cartridge platform for the detection of infectious disease. Geneweave was acquired by Roche Molecular Systems in 2015. Prior to Geneweave, Shaunak was a Senior Process Engineer at Complete Genomics, where he worked on what was at the time, the world’s fastest DNA sequencer. Complete Genomics went IPO in 2010 and was acquired by BGI in 2012. At Visby, Shaunak leads our Research and Development organization and is responsible for all aspects of product development, from high level concept and feasibility work to launch of new assays and platforms. He holds a BS in Chemical Engineering from Northwestern University and a PhD in chemical engineering from Stanford University. He is an author on four published papers and twenty two issued patents.

Ryan Schmidt

VP of Marketing

Ryan Schmidt

VP of Marketing

Mr. Schmidt has been Vice President of Marketing at Visby Medical since July 2017. He is responsible for developing and implementing Visby’s marketing and sales strategy, including establishment of sales distribution channels. He has been commercializing diagnostics through different sales and marketing roles for over 25 years. Prior to joining Visby Medical, Mr. Schmidt was Vice President of Marketing for the Infectious Disease business unit at Alere Inc. where he led the development and commercialization of the world’s first CLIA-waived point-of care molecular diagnostic product. Prior to Alere, he worked at Johnson & Johnson as well as ThermoFisher Scientific in various marketing and commercial roles. Mr. Schmidt received his Bachelor’s Degree from Gustavus Adolphus College in Minnesota and his Masters of Business Administration from Marquette University in Milwaukee, Wisconsin.

Samira Daswani

Head of Product

Samira Daswani

Head of Product

At Visby Samira leads the company’s pipeline group, product design and product management functions. As an entrepreneur working at the intersection of design, healthcare and technology, she uses the power of human-centered design to tackle some of the most pressing problems of our generation – mental wellbeing, cancer care, healthcare information. She has been a part of a number of startups and a consultant at McKinsey & Company. She brings a unique blend of design, operations and strategy to all her projects. She earned a Master’s degree in Engineering Design at Stanford University, a bachelor’s degree in biological engineering and art history from MIT and Wellesley College respectively. In her spare time, she can be found scuba diving, sketching, writing poetry, and practicing taekwondo.

Clint Webb

Head of Legal

Clint Webb

Head of Legal

At Visby Medical, Clint is primarily responsible for all commercial, operational, corporate and employment law matters. He also manages intellectual property strategy and prosecution. Previously, Mr. Webb served as VP and Chief Counsel of OXiGENE, Inc. (OXGN), VP and General Counsel of Genelabs Technologies, Inc. (GNLB), Founder and COO of Gen1E Lifesciences, Inc., and COO of privately held business conglomerate MK Enterprises. He began law practice as an associate attorney with Morrison & Foerster, LLP in Palo Alto and San Francisco after attending UC Davis School of Law and University of California, Berkeley.

Tanvi Lall

Program Office

Tanvi Lall

Program Office

Tanvi Lall is the Director of Program Office at Visby Medical, and leads the company’s program management function that helps enable strategies as well as tactical solutions for the timely delivery of Visby’s product portfolio. As one of Visby’s first employees, Tanvi has helped shape product requirements, design and early go-to market strategy for Visby’s flagship product for STIs and now leads a multidisciplinary team to support project management of product life cycle, product and commercial operations projects. She earned a Master’s in Business Administration at UC Berkeley, Haas School of Business while balancing a full-time position at Visby and brings a can-do attitude and team spirit when it comes to developing innovative, patient-centric healthcare products that can be used in emerging and developed markets. Previous to Visby, she was completing a Master’s degree in Biotechnology and Management at Carnegie Mellon University. 

Board Members

Adam de la Zerda, PhD

Founder & CEO

Jerome Behar

Nissim Capital

Shlomo Melmed, MD

Cedars-Sinai Medical Center

Eric Moessinger

ND Captial

Board Observers

Ittai Harel

Pitango Ventures

Ryan Panchadsaram

Kleiner Perkins

Scientific Advisory Board

Richard Whitley

MD, Chair of Scientific Advisory Board

Angela Caliendo

MD, PhD

Edward Hook

MD

David A. Relman

MD

Matthew J. Thompson

MD, MPH, PhD