Our Team

Today, with the broad experiences of the group, Alliance Technologies offers chemical testing services to a wide variety of industries, including industrial or specialty chemical, pharmaceutical, plastics & polymers, intellectual property or legal services, medical devices, and personal care or consumer products.


Jonathan Chun, Ph.D. - CEO | Founder

Dr. Jonathan Chun received his Chemistry degrees from Princeton University (Ph.D., M.A.) and the University of Hawaii (B.S.), and his graduate studies focused on chemical sensors and electrochemical systems. After post-doctoral work investigating conducting polymers, Dr. Chun joined a clinical diagnostics company (i-STAT/Abbott Point of Care) creating portable blood testing instruments. He later joined the Analytical Technology group at the Princeton R&D Center of FMC Corporation which provided broad analytical testing services worldwide to the various chemical and machinery divisions of the corporation. As Senior Scientist and Group Leader, Jonathan provided project leadership for analytical investigations and managed the analytical group prior to co-founding Alliance Technologies with an FMC colleague as an independent chemical testing and materials characterization laboratory.

Sara Saheban – Chief of Staff

Sara Saheban received her Bachelor’s Degree in Political Science and Law from Rutgers University and joins our team with several years of professional experience in Management and Executive support roles. At Alliance Technologies, Sara assists in business development, client communications, marketing and sales so you may meet Sara at tradeshows and meetings.



Bruce Strasser, Ph.D. – Sr. Project Manager

Bruce has over 25 years of industrial R&D problem solving. His supporting research is in areas of consumer products (e.g., OTCs, cleaners, personal care), flavors and fragrances, adhesives and resins, pulp and paper, and regulatory efforts. Strong instrumental and wet chemical skills, with an emphasis on chromatography. He is an Analytical Chemist (Generalist), Laboratory Supervisor and problem solver with a wide breadth of experience. He enjoys working at the bench level, as supervisor and on multi-functional teams. He has a bachelor's degree in Chemistry and a Ph.D in Analytical Chemistry. Bruce was the Sr Principal Scientist at Church & Dwight Corporation, as he managed Analytical, Microbiology and Statistics Groups. He supported new product development and manufacturing in regulated GMP and non-regulated areas. Experienced in OTCs, cleaners, personal care analysis. Knowledgeable in product deformulation, odor testing, methods validation and plant implementation. Strong instrumental and wet chemical skills, with emphasis in chromatography.

Tonghua Chen, Ph.D. – Quality Assurance Manager

Dr. Chen brings more than 20 years of experience in the pharmaceutical (BMS, Rafael Pharma), food (Cadbury/Kraft), and CRO (Charles River) industry to his role as Quality Assurance Manager at Alliance Technologies. Having previous experience as a senior analytical scientist as well as a lab supervisor and QC/QA manager allows Tonghua to oversee all the quality systems and project data generated by the lab to ensure Alliance Technologies provides its clients with the best quality test results possible. Tonghua works with all the laboratory personnel to improve training and compliance with FDA and ICH guidelines as well as conduct audits of vendors or host audits from customers or regulatory bodies like the FDA.



Risa Cooper - Front Office Administrator

Risa joins the Alliance team having amassed a wide range of experience as an executive legal assistant, a communications consultant, and an administrator in the fields of education and construction management. She handles the diverse requirements expected from a Front Office Administrator whether addressing customer inquiries, facilitating the intake of samples, managing the office or tracking laboratory needs, Risa is a primary contact for all clients. She will liaise with our clients and direct inquires to the staff member who will help meet their needs in a timely manner.

Maria Petrov, M.S. - Sr. Scientist




Georg Eyerman, B.S. - Sr. Scientist

Georg Eyerman received his Bachelor’s Degree in Chemistry at Fairleigh Dickinson University. After receiving his degree, he worked in the research and development analytical lab of L’Oreal USA before joining Alliance Technologies. Bringing over 25 years of experience, Georg has expertise in HPLC, GC, IC and wet chemical analyses. Since joining Alliance, he is building his skills and expertise in ICP (ICP-MS and ICP-OES) as well as related analytical techniques.

Tracy Karpinski, B.S. - Sr. Scientist

Tracy Karpinski received her Bachelor’s Degree in Forensic Chemistry at Towson University. After receiving her degree, she has worked in research and development along with analytical testing labs before joining Alliance Technologies. Since joining Alliance, her skills and expertise continues to expand in chromatography (HPLC, GC, GCMS, HS-GCMS, IC) as well as related analytical techniques. After several years in the separations laboratory, Tracy continues to build her expertise in ion chromatography and coordinating testing projects for the lab.



Manjula Ravindran, M.Sc. - Staff Scientist

Manjula Ravindran received her Master's degree in Analytical Chemistry from Bangalore University after a bachelor's degree in chemistry, physics and mathematics. She has worked in various analytical testing laboratories and in the GE polymer R&D center in Bangalore before a stint at the Environmental Isotope Laboratory, Canada. Her experience includes working with various analytical techniques particularly GC,GC-MS,GC-IRMS,ICP-OES and HPLC. At Alliance Technologies, Manjula continues her journey in analytical chemistry as a generalist covering wet chemical analysis, GC-MS, UV/Vis Spectrophotometer, microwave sample digestion and SEM characterization.

Yi Wang, Ph.D. – Senior Scientist

Dr. Yi Wang received his Ph.D in Analytical Chemistry degree from the Academy of Sciences in Beijing and went on to receive post-doctoral training at Brown University and Princeton University. His graduate studies focused on environmental biogeochemical processes. In 2009, Dr. Wang joined ZymaX Forensics (now Pace Analytical), an environmental laboratory serving all 50 states and numerous international clients. He joined Alliance Technologies in 2017 as a Senior Scientist and Group Leader, providing project leadership for analytical investigations and managing the chromatography separations group.



Jorge Pinho, B.S. - Staff Scientist

Jorge received his bachelor’s degree in Biological Sciences from Rutgers University. During his undergraduate study, he gained some experience in analytical and bioanalytical techniques such as water quality analysis, spectroscopy, gas chromatography (GC), and DNA analysis. After receiving his degree, Jorge worked for a cosmetics supplier, Kobo Products, in a QC laboratory performing tests on raw materials and in-process samples to ensure quality. Jorge brings experience in chromatography, spectrophotometry and continues to expand his knowledge in x-ray diffraction (XRD), wet chemistry techniques, scanning electron microscopy (SEM), and molecular spectroscopy (FTIR, UV/vis, EDX).

Longchun Cheng, Ph.D. – Sr. Project Manager

Dr. Cheng brings diverse expertise to Alliance Technologies having worked in research and development for corrosion mitigation and water treatment as well as a veteran analytical scientist at this CRO. He has experience in chromatography, electrochemistry, thermal methods (DSC, TGA) as well as atomic spectroscopy (ICP, ICP-MS, GFAAS). He offers leadership in the laboratory as well project management.


Free Quote

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