Our Professionals

The eyes are the windows to the brain, and we’re pulling back the curtains. What we find helps optimize the systems that keep our world safe and healthy.

Herbert Meistrich

Herbert Meistrich

CEO and Chairman of the Board

Herb Meistrich has been a successful leader of companies in venture capital investing, including investments in real estate, hospitality, sports management, service industry delivery, and higher education. Herb has been a principal in the investment of over $500 million of real estate assets, including 30+ hotels and over 40,000 apartment units in 25 states. He has demonstrated success in significantly improving sales and values for new and established businesses through successful marketing, improved operations, expansions, and the restructuring of complicated debt and equity arrangements to enhance value. He has also consulted with major financial institutions to analyze problems involving non-earning assets to establish and implement creative solutions to enhance values.

Herb practiced law for six years from 1966 to 1972. In addition to his venture capital activities, Herb served on the Board of The March of Dimes, the San Diego Zoo and National University and was an Adjunct Professor at NYU. More recently, Herb served as an Expert in Residence at the University of California, Irvine and as a Mentor at the Rady School of Management at the University of California, San Diego.

Herb received a B.A. Degree from Rutgers University, New Brunswick, and an LLB Degree from Columbia University Law School.

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James Weatherhead

James Weatherhead

President & CTO, Board Member

James Weatherhead joined EyeTracking in 2003 as President, CTO and Board Member. During his tenure, he has led the technical development and commercialization of several of EyeTracking’s key products, including building an international sales team and inventing several of EyeTracking’s key patents.

Prior to EyeTracking, James worked as a Scientist in the Center for Human Sciences and the Defence Evaluation and Research Agency (UK MoD), primarily focusing on advanced human-machine integration with next generation fast jets.

Later he worked as IT Team Leader at QinetiQ , Europe’s largest defense contractor, leading a technical team building fast jet and UAV simulators and prototyping advanced human machine interface concepts, building and prototyping new airport security screening concepts and more.

James received a BSc. (Hons) in Computer Science from the University of Portsmouth (United Kingdom), and is a Chartered Engineer and Chartered IT Professional.

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Sandra Marshall

Sandra Marshall, Ph.D.

Chief Science Officer, Board Member

Dr. Sandra Marshall is the Chief Science Officer at EyeTracking LLC. She founded EyeTracking, Inc. (ETI) in 1999 and served as CEO and CSO until ETI became EyeTracking LLC in 2019.

For over three decades, Dr. Marshall has carried out groundbreaking research that examines patterns of individuals’ eye movements and changes in pupil size over extended periods of time. In so doing, she developed and patented several new measures of cognitive activity and engagement. She continues her research efforts today—often in collaborative work with EyeTracking clients who are implementing these measures in applied, real-world settings.

Dr. Marshall also was Professor of Psychology at San Diego State University for more than 20 years, during which time she taught graduate statistics and managed more than 25 government research projects, primarily under DoD support.

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Cassie Davis

Cassandra Davis


Cassandra Davis is the Chief Operating Officer for EyeTracking LLC, a San Diego-based technology company specializing in eye tracking solutions to improve the usability of complex systems and the training of the people that use them.  She has been a member of the executive team at EyeTracking since its inception in 1999.

Cassandra has over two decades of experience conducting eye tracking research with the DoD, medical institutions, government agencies, universities, and commercial businesses of all types and sizes all over the world. Before co-founding EyeTracking Inc., she was part of Dr. Sandra Marshall’s research team at San Diego State University as well as a Technical Coordinator for Law Enforcement Online, a nationwide online service to provide law enforcement agencies, criminal justice entities, and intelligence groups access to resources. 

Cassandra received a Bachelor of Arts degree in English and Philosophy from the University of Iowa.

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Brian Raduenz

Brian Raduenz

Board Member

Brian Raduenz is the Chief Executive Officer for AEVEX Aerospace, a San Diego-based aerospace and defense company specializing in intelligence solutions.  Prior to the formation of AEVEX, he served as CEO of Merlin Global Services, a leading provider of operations, maintenance, and training support to the intelligence community, and one of four companies united to form AEVEX.  During the past decade, Brian has led the company through significant organic and acquisition-based growth, while building the infrastructure for a larger platform.

Prior to joining Merlin, Brian served 20 years in the U.S. Air Force as Commander, Flight Test Engineer, and Program Manager supporting a variety of manned and unmanned Intelligence, Surveillance and Reconnaissance (ISR) acquisition programs.  He served as Director of White House Presidential Contingency Programs under President George W. Bush.

Brian received a B.S. Degree in Electrical Engineering from the U.S. Air Force Academy, a M.S. Degree in Electrical Engineering from the Air Force Institute of Technology, and a M.S. in Military Studies from Air University.

In 2018, Brian was named “Best Executive – Private Company” by the San Diego Business Journal. 

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Dr. Peter Farrell

Board Member

Dr. Peter Farrell is the founder, former long-term CEO, and current Chairman of the Board of ResMed (NYSE: RMD), serving as Chairman and a director of ResMed since 1989.

Before founding ResMed, Dr. Farrell served as vice president of research and development at various subsidiaries of Baxter International, Inc. (NYSE: BAX), from July 1984 to June 1989, and managing director of the Baxter Center for Medical Research Pty Ltd., a Baxter subsidiary, from August 1985 to June 1989. From January 1978 to December 1989, he was foundation director of the Graduate School for Biomedical Engineering at the University of New South Wales, where he currently serves as a visiting professor and as chair of the UNSW Centre for Innovation and Entrepreneurship. He served on the Visiting Committee of the Harvard/MIT Health Sciences & Technology Program from 1998 through 2018, and currently serves on the MIT Dean of Engineering’s Advisory Council.

Peter also serves as independent board chairman at Arcturus Therapeutics Ltd (NASDAQ: ARCT), a self-replicating mRNA therapeutics company.

Peter is a member of the Board of Trustees of The Scripps Research Institute in La Jolla, as well as serving on various academic advisory boards including UCSD’s Rady Business School, the MIT Dean of Engineering’s Advisory Council, and UCSD’s Jacobs School of Engineering.

Peter is a fellow or honorary fellow of several professional bodies, including the US National Academy of Engineering. He was inducted as 1998 San Diego Entrepreneur of the Year for Health Sciences, 2001 Australian Entrepreneur of the Year and 2005 US National Entrepreneur of the Year for Health Sciences. In 1998, Peter joined the Sleep Medicine Executive Council at Harvard Medical School, served as vice chairman from 2000 to 2010 and then as chairman from 2010 until 2013.

Peter holds a B.E. with honors in chemical engineering from the University of Sydney, an SM in chemical engineering from MIT, a PhD in bioengineering from the University of Washington, Seattle, and a DSc from the University of New South Wales.

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David Peterson

Board Member

David N. Peterson, RHU, REBC, PFP, President, San Diego Associates, Inc/ The Benefit Advocates. Mr. Peterson is the founder of a control group of corporations engaged in Employee Benefit Plan Design, Insurance Brokerage and Administration. Mr. Peterson has a technical background which enables his firm to leverage technology to provide Fortune 500 type consulting to small and medium sized companies throughout the Southwestern United States. San Diego Associates, Inc. has received many industry honors for performance, customer service and achievement during its 30-year existence. In addition to the above referenced Professional designations, Mr. Peterson holds California Life & Disability Insurance Licenses.
Additionally, Mr. Peterson is the Compliance, Social Responsibility and Information Security Officer for ALC a transportation management company. ALC has grown to be one of the largest and most successful rideshare management companies specializing in the transportation of School Children and Medical/Government Programs.
In addition to Mr. Peterson’s business activities, he is a family man with diverse interests outside the office. He is an active U.S.A. Hockey Level 4 coach, player and founder of a hockey club. Mr. Peterson has enjoyed being part of the aviation community as commercial pilot, flight instructor and aircraft owner.

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