Management Team

Dr. Ching Wu  image

Dr. Ching Wu

Founder & Chief Executive Officer

Ching has been working on all aspects of ion mobility spectrometry and mass spectrometry technology for over 25 years, from initial instrument design/product development to exploring new applications and business development. Before founding Excellims, he served as the Research Leader for GE Security's chem/bio and explosives detection business, where he was responsible for many government funded and GE internal programs to support the business growth. He also served as Application Manager, managing a team of scientists and engineers, directly supporting business development and sales activities. Previously, Ching served as mass spectrometry Software Manager at Bruker Daltonics managing software development projects for Bruker’s time of flight mass spectrometer product lines.

He has both Ph.D. and MS degrees in Chemistry from Washington State University, an MS in Computer Science also from Washington State University, and an MS in Chemical Engineering from Yokohama National University. 

Ching has authored more than 90 peer reviewed papers and patents/patent applications in ion mobility spectrometry and mass spectrometry field.

Paul Eisenbraun


Paul was a consultant to ICx and other companies in Homeland Security Sales and Marketing before co-founding Excellims Corporation. Paul also served as vice president of sales, marketing and service for Ion Track Instruments through the acquisition by General Electric. At Ion Track, he built a worldwide sales, program management, and service organization and worked with many US Government customers. Previously, Paul served as general manager, worldwide sales for IHRDC, product manager for Ruska Instrument Corporation, Far East laboratory manager in Singapore for Flopetrol Schlumberger, and Research Petro Physicist at Core Labs. 

He earned a BS in geology from Wheaton College and holds an MA in geochemistry from the University of Texas.

Mark Osgood

Vice President of Engineering

Mark has over 22 years of experience in the scientific instrument field. Before joining Excellims he worked as a product development project manager at Bruker Daltonics. While at Bruker, Mark successfully brought several lines of bench top MALDI-TOF mass spectrometers to market. In addition to team leadership Mark brings specific technical expertise in instrument control system design, industrial design and product packaging, compliance, high voltage systems design and vacuum system design. 

Mark holds numerous patents related to the design and construction of ion mobility and mass spectrometers. 

He received his BS in Physics from the University of New Hampshire.

Mark Osgood image


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Excellims 60+ patents

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Excellims scientists the experts in IMS technology

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Trusted Strategic Partner to Industry-Leaders

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