Welcome to Marquis Who’s Who Top Scientists!

The Marquis Who’s Who Top Professionals series recognizes outstanding listees in their specific fields. Our features contain biographical details of professionals that have achieved a high level of recognition and achievement in their chosen profession.

Featured Listees

David J. Lamagna, BSc, MSc

Title: Forensic Scientist, Engineer, General Manager, OwnerCompany: American Forensic Technologies LLCLocation: Andover, Massachusetts David J. Lamagna, forensic scientist, engineer, general manager, and owner of American

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Andrew P. Valenti, PhD

Title: Founder and Chief Executive Officer Company: Spark Interventions LLC Location: Arlington, Maine, United States Andrew P. Valenti, PhD, founder and chief executive officer at

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Debbie  L. Grafton

Title: Senior Application Analyst and ProgrammerCompany: Superior Court of the District of ColumbiaLocation: La Plata, Maryland, United States Debbie  L. Grafton, Senior Application Analyst and

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Boris Epstein

Title: Technical Specialist Company: Cognitec Systems Location: Randolph, Maine, United States Boris Epstein, technical specialist at Cognitec Systems, has been recognized by Marquis Who’s Who

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James M. Potter

Title: President Company: JP Accelerator Works Inc. Location: Los Alamos, New Mexico, United States James M. Potter, president of JP Accelerator Works Inc., has been

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Shun-Hsin Liang, PhD

Title: Senior Principal Scientist Company: Restek Corporation Location: State College, Pennsylvania, United States Shun-Hsin Liang, PhD, senior principal scientist at Restek Corporation, has been recognized

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Thomas W. Grimshaw, PhD

Title: President Company: Lenrgy LLC Location: Austin, Texas, United States Thomas W. Grimshaw, PhD, president at Lenrgy LLC, has been recognized by Marquis Who’s Who

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Sally Vreseis Fox

Title: Owner Company: Vreseis Limited Location: Brooks, California, United States Sally Vreseis Fox, Owner at Vreseis Limited, has been recognized by Marquis Who’s Who Top

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