Executive Team

Bill Huffnagle, Chief Executive Officer

Bill Huffnagle brings over 29 years of Med Tech healthcare experience to CDx Diagnostics. Most recently, Bill was President of the $3B Reconstructive Division at Stryker Orthopaedics which included the global joint replacement business including hips, knees, robotics and Performance Solutions. He is a driven and innovative executive known for leading growth and capitalizing on market opportunities in complex and global environments. He has a proven record of creating clear goals and operational strategies to deliver strong returns, with an emphasis on market expansion, portfolio and product management.

During his tenure at Stryker, Mr. Huffnagle spearheaded the integration of Mako Surgical, the acquisition propelling Stryker to lead the world in orthopedic robotic-assisted surgery. Bill brings exceptional customer relationship skills, strategic thinking and drive for results to CDx. He has demonstrated the ability to build and develop strong teams and challenge the status quo to bring new, innovative approaches to drive business growth.

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Bill has worked at all levels of the Med Tech industry starting in 1988 as a Sales Representative for Howmedica in the Orthopaedics reconstructive market. As VP/GM of Stryker’s Hip portfolio, he managed distribution and sales organizations, global R&D projects and marketing strategy.

Mark Rutenberg, PhD, MSEE, Founder and Chief Scientific Officer

Mark Rutenberg has devoted the last 20 years to the development, management and marketing of medical diagnostics, with particular concentration in application of advanced digital image processing techniques to anatomic pathology.

He pioneered the application to medicine of advanced image processing techniques originally developed for missile defense, and is the author of over a dozen patents in the areas of neural networks, image analysis and medical imaging. Mark has founded two companies in this area.

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He led his first company, Neuromedical Systems, in what was described by Fortune magazine as “the most successful medical technology IPO of the 1990s.” When he left Neuromedical in June of 1997 it was projected to break even within the year with cash reserves in excess of $80M, and its technology for enhancing the accuracy of cervical Pap smears had been adopted by over 250 major US laboratories with another 50 laboratories on a waiting list for training. Mark is a recipient of the Ernst & Young Entrepreneur of the year award in the Life Sciences.

Jimmy Cerveaux, Chief Financial Officer

Jimmy Cerveaux brings C-level executive experience with deep financial expertise acquired at blue chip companies and as an entrepreneur. He co-founded, led and sold Unicity Eldercare, a successful 150 employee healthcare company located in NY & NJ.

Mr. Cerveaux also worked for many years as an Auditor and a Mergers & Acquisitions Consultant at Ernst & Young, and as an equity analyst for a leading investment management firm in the Middle East. He is a graduate of Massachusetts Institute of Technology in Cambridge, MA.

Drore Eisen, MD, DDS, Co-Founder, Vice President and Medical Director

Drore Eisen is a dual trained dermatologist and dentist with expertise in diseases of the oral cavity. He received his B.A. from Columbia University, dental and medical degrees from the Medical College of Virginia and completed his dermatology training at the University of Michigan where he served as chief resident. He has authored 2 textbooks which have received accolades in many peer reviewed medical and dental publications, several chapters in textbooks and over 50 articles on oral and medical diseases including publications in The New England Journal of Medicine and The Lancet. Drore has been an invited and featured speaker at numerous major medical and dental conferences and a visiting lecturer at many universities, both nationally and internationally.

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He is the recipient of the prestigious Harold O. Perry Lecture Award, Mayo Clinic. He has also served as a principal investigator or co-investigator in over 50 clinical trials with many large pharmaceutical companies and collaborated on oral cancer research projects with The National Cancer Institute.

Tom Bartel, Executive Vice President of Sales

Tom Bartel joined CDx Diagnostics in June 2015 with more than two decades of results-driven commercial diagnostics expertise and a demonstrated track record of building winning sales organizations, commercializing novel assays, and accelerating product adoption in key markets.

Tom served most recently as Sr. Sales Director, Eastern US, at Agendia, where he oversaw the profitable growth of genomic sequencing of breast cancer tumors. Prior to Agendia, Tom was the Chief Sales Officer for Genomind, a genetic testing start-up in the neuropsychiatric market. He has also served as North American Vice President of Sales for Ipsogen, a world-wide leader in blood cancer diagnostics, and Vice President at American Clinical Services (ACS), a start-up diagnostic testing company that he helped found.

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During his ACS tenure, he delivered multiple successive years of annual sales growth, exceeding sales quotas and supporting the successful acquisition of ACS by Sonic Healthcare USA. Tom spent the first 11 years of his diagnostics career at Quest Diagnostics, where he served in various sales and marketing leadership roles including National Sales Director, Genomic Testing.

Tom holds a Bachelor of Science degree in industrial engineering from Rutgers University, College of Engineering.

Bonnie Pirtz, Senior Vice President of Managed Care

Bonnie Pirtz is a proven Managed Care Executive with more than 20 years of sales and managed care leadership for special pathology groups and large national laboratories. In an ever-changing payer and regulatory environment, Bonnie has taken on expanded management roles in the pathology industry, which include strategy, commercial and government payer contracting, credentialing, and sales support.

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As Vice President, Managed Care at Inform Diagnostics, Ms Pirtz played a key role for acquisition and divestiture due diligence, mediation, and national contract negotiations. She routinely collaborated with other key stakeholders such as legal, revenue cycle management, and outside consulting agencies to ensure contractual and regulatory compliance. Prior to moving to the provider side, Bonnie held a management position at TriWest HealthCare Alliance, where she was responsible for Provider Education Relations and Regional Contracting. Bonnie holds a Bachelor of Science degree in Business Administration and an Associate’s degree in Radiology.

Lori Bethon, Senior Vice President of Human Resources

Lori Bethon joined CDx Diagnostics in October of 2018 and brings over 25 years of human resources experience to the organization. Lori has specialized in various disciplines within the human resources field, including employee relations, compensation, benefits planning, organizational development and change management. She has held leadership positions in financial services, publishing, technology distribution and non-profit organizations. Lori has a bachelor’s of science degree in marketing from the State University of New York College at Plattsburgh and a master’s degree in organizational psychology from Columbia University.

Roger O’Sullivan, General Counsel & Compliance Officer

Roger O’Sullivan is a corporate attorney with extensive experience providing day-to-day counsel to senior management and boards of directors regarding contract negotiation, regulatory compliance, employment and intellectual property law.

Mr. O’Sullivan spent over ten years as General Counsel, Chief Privacy Officer and Corporate Secretary of a cognitive science company that commercializes cognitive tests for use in clinical trials, academic research and healthcare. He also served as Chair of the company’s Security and Privacy Committee driving development and providing oversight of its HIPAA and GDPR programs.

Mr. O’Sullivan served as a community member of the Institutional Review Board of a major New Jersey healthcare system and is current Chair of the Association of Corporate Counsel’s Subcommittee on Pharmaceuticals and Research.

Ramesh Ramasamy, Senior VP, Technology

Ramesh has 30+ years of Global experience developing and building IT organizations. As a dynamic leader, he has successfully built cross-functional Global teams of high-performers across US, Europe, Middle-East, Japan, Hong Kong, Singapore, India, Mexico, Ireland and the UK. He has been an active and a key force in implementing industry recognized best practices and standards across disciplines, while also driving the success of major investments in sectors related to healthcare, finance, hospitality, fashion and manufacturing.

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Ramesh has been a key player on several business critical Global Projects, acquisitions & integrations and managed complex IT operations across the globe at Quest Diagnostics between 1997-2015, at Coach between 2015-2018 and Marriott International between 2018-2019. Prior to moving to United States, Ramesh was with Unisys/ZBM in Sultanate of Oman between 1994-97 managing IT solutions for large banking operations and earlier with Computer Point, Microland and ICL UK’s subsidiary ICIM in India, architecting IT solutions & managing support of large manufacturing, engineering and financial clients between 1988-1994. Ramesh’s educational background includes a Masters degree in Applied Physics and Computer Electronics and he is passionate about cultivating systems that work in tandem to one another, while building mission-driven teams.

Robert Tjon, Vice President of Engineering

Robert received an undergraduate degree in Physics from Fordham University, a Bachelor’s and Master’s Degree in Electrical Engineering from Columbia University, in a relative short time span of 6 years. In 1988, he worked as a Research Associate with Dr Leopold Koss at Montefiore Hospital to develop classifiers to recognize cancer cells in voided urine using image processing and multivariable statistical analysis. In 1990, he joined Neuromedical Systems, a startup company, to develop a premier application to sort cancer cells in cervical pap smears using neural networks. He was instrumental in submitting a PMA to the FDA as a medical device. Its success lead to a successful IPO of 30 million dollars.

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For a year, he worked for TriPath Imaging to develop a virtual microscope, a universal plug-in to work with a multitude of microscopes. Subsequently, he worked for Physiome Sciences to develop computerized physiological models of human and animal cells, to understand and accelerate the development of pharmaceutical drugs. Starting in 2003, at OralCDx, Robert developed the next generation high resolution scanner system and developed specific technologies to further increase both the image quality and overall accuracy and sensitivity of the system to analyze thick brush biopsy samples.

Frank Fromowitz, MD, Laboratory Director

Dr. Frank Fromowitz has over 35 years of experience as an anatomic pathologist in academic, community hospital, and private laboratory settings, including work in the pathology of the gastrointestinal tract. He trained in Anatomic Pathology at Yale University School of Medicine, held full time academic appointments at the state universities of New York and New Jersey, and published over 50 articles in peer reviewed journals, including the New England Journal of Medicine and Cancer. Dr. Fromowitz has worked with such noted pathologists as Drs. Charles Carrington, Leo Koss, and Lauren Ackerman, has taught medical students and residents at several institutions, and was nominated for the Golden Apple Teaching Award at the New Jersey Medical School.