Executive Bios

Brian J. Marquardt

Founder and Chief Science Officer

Brian J. Marquardt is an expert in the field of spectroscopy and an industry leader in the development of optical sensors for measurement applications. Building on nearly 20 year of experience in designing, developing and implementing novel optical probes and sensors, Marquardt founded MarqMetrix and now serves as the company’s Senior Principal Engineer. In this role, he guides new technology development and multivariate “big data” analysis. As well, Marquardt derives cutting-edge optical measurement solutions for the company’s industrial and government customers.


In addition to his work with MarqMetrix, Marquardt remains affiliated with the University of Washington. He is currently the Director and Senior Principal Engineer of the Center for Process Analysis and Control, and is founder and Director of the university’s Applied Optical Sensing Lab. His research specialties with University of Washington include process spectroscopy for online analysis and control, multivariate quantitative modeling of spectral data, and development of small, fast and effective optical sensors for environmental and process applications.


Marquardt received his A.B. in chemistry from Ripon College in Ripon, Wis., and his doctorate from the University of South Carolina in Columbia, S.C. His is an active member of the Federation of Analytical Chemistry and Spectroscopy Society (FACSS), and is an instructor and advisor for the FDA Process Analytical Technology (PAT) initiative and certification program for reviewers and inspectors. Marquardt is also a member of the Society for Applied Spectroscopy and of the Coblentz Society.  He was elected to the scientific advisory board of the International Forum of Process Analytical Chemistry (IFPAC) in 2003, and to the board of the Coblentz Professional Society of Vibrational Spectroscopists in 2007.



Bryan Prazen

Senior Research Scientist

A nationally recognized expert in the field of multidimensional chromatography, Bryan Prazen brings more than 15 years of experience in the development of analytical instrumentation and the interpretation of multivariate signals from complex instruments to the MarqMetrix team. He is also experienced in managing projects that involve collaboration between small companies and universities.


As senior research scientist for MarqMetrix, Prazen oversees project management, bioinformatics and analyzer design. Prior to working with MarqMetrix, Prazen served as a principal investigator for two Small Business Innovation Research (SBIR)-funded projects and is co-founder of a diagnostic development and biometrics software company that launched two successful products. He has also consulted with the Anatel Corporation in Boulder, Colo., PATH in Seattle, Wash., the YKI Institute for Surface Chemistry in Stockholm, Sweden, and the Oxford Biomedical Research in Oxford, Miss.


Prazen received his bachelor’s in chemistry from the University of Illinois in Chicago, Ill.   He received a master’s in chemistry and a doctorate in analytical chemistry from the University of Washington in Seattle, Wash. Prazen has been a visiting scientist for Chiang Mai University in Chaing Mai, Thailand, and at the YKI Institute for Surface Chemistry in Stockholm, Sweden.




Jack Donohue

Founder and Business Advisor 

Jack Donohue brings over 20 years of experience in international business with a proven track record in strategic negotiations, bid strategies and operational management.


Among his successful ventures, Donohue served as Chief Operating Officer and of President of SeaMobile, Inc. (USA), where he was instrumental in development, operations and fundraising. During his tenure with SeaMobile, Donohue’s fundraising efforts yielded $90 million of venture capital.


Donohue is also a veteran of the telecommunications industry. He was Vice President of Business Development for Western Wireless International, managing operations in Ireland and Cote d’Ivoire as well as overseeing bids in Scandinavia. Prior to his work with Western Wireless, Donohue served as Vice President of International Operations for McCaw Cellular Communications/AT&T Wireless Services. In this role, Donohue managed a successful mobile phone license in Taiwan with local partner Far Eastern Corporation, which represented a first day market cap increase of over $1billion.


Donohue has a bachelor’s degree in political science from Union College in Schenectady, N.Y.


Scott Van Vuren

Founder and Chief Business Officer

With nearly 25 years of experience working with leading technology companies, Scott Van Vuren brings his reputation as a highly skilled negotiator and as an innovative leader to the MarqMetrix team. As a founder and Chief Business Officer, Van Vuren is responsible for oversight of all corporate functions, including sales and marketing, finance, human resources, and operations. His negotiation skills and business acumen have resulted in a number of partnerships for MarqMetrix with highly recognized global brands, which helped made the company profitable during its first year.


While working to establish MarqMetrix, Van Vuren continued to work in a consulting and management capacity for a number of top technology companies, including McAffee Corporation. Previously, Van Vuren rebuilt Microsoft’s HP OEM account team. His strategies for restructuring the global sales team increased HP’s distribution in foreign markets and led to $4 billion in annual revenue, Microsoft’s largest sales quota. Van Vuren earned Microsoft’s “Gold Star” achievement award for his role in leading negotiations with Compaq to secure a complex $2 billion operating system agreement and was awarded the Microsoft “Rookie of the Year” award for negotiating a unique distribution deal for Microsoft with Gravis, a joystick maker. The Gravis agreement resulted in a $10 revenue stream for MS Flight Simulator.


Van Vuren has a bachelor’s degree in political science from Knox College in Gatesburg, Ill.