Founder & Chief Executive Officer

Dr. Wu has been working on ion mobility spectrometry and mass spectrometry related technology, product and business development for over 20 years. Before founding Excellims, he was employed at GE Security, where he worked closely with many government agencies domestically and internationally providing technical solutions; he also managed a team to directly support business development and sales activities. Later as the research leader for GE Security's chem/bio and explosives detection business, he was responsible for many government funded and GE’s internal programs to support the business growth. Dr. Wu also served as mass spectrometry software manager at Bruker Daltonics Inc. and computer systems engineer at NCR Ltd. 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. Dr. Wu has authored more than 50 peer reviewed papers and patents/patent applications in ion mobility spectrometry and mass spectrometry field.



Mr. Eisenbraun was a consultant to ICx and other companies in Homeland Security Sales and Marketing before co-founding Excellims Corporation. Mr. Eisenbraun also served as vice president of sales, marketing and service for Ion Track Instruments through the acquisition by General Electric. At Ion Track, Mr. Eisenbraun built a worldwide sales, program management, and service organization and worked with many US Government customers. Previously, Mr. Eisenbraun 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.


Vice President of Engineering

Mr. Osgood 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 Mr. Osgood successfully brought several lines of bench top MALDI-TOF mass spectrometers to market. In addition to team leadership Mr. Osgood brings specific technical expertise in instrument control system design, industrial design and product packaging, compliance, high voltage systems design and vacuum system design. Mr. Osgood holds over 6 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.


Vice President of Sales

Before joining Excellims, Mr. Dave Kwajewski worked at several sales and sales management positions including Pion Inc., Gerstel, Pioneer Analytical, ThalesNano Inc., and Distek Inc. Dave has attained 16 years of success: growing territories, building sales teams, developing and launching products and serving as a business owner with executive management responsibility. While sales started out as a job, it has turned into Dave’s career and passion. He truly believes the selling of technology is a necessary and noble profession and so he operates in these roles with passion and conviction. Dave is fiercely competitive yet possesses a sincere deep-rooted desire to help people to be successful, a unique balance of character traits which Dave pulls off with a smile. Outside of work, Dave spends most of his free time with his family, engaging in a range of outdoor activities such as fishing, golfing and skiing.