Our Leadership

Diatherix is lead by a group of experienced and driven health care professionals who actively seek to improve the quality of patient care.

Diatherix Leadership

Harry Fisk

President & CEO

Harry is a seasoned servant leader with nearly 15 years of experience strategically directing healthcare companies. He possesses a unique skillset that includes multiple executive leadership roles, deep investment banking experience, broad legal negotiation experience, and public accounting experience. Before becoming President of Diatherix, Harry was Chairman and Chief Executive Officer of EnduraCare Acute Care Services, LLC, the nation’s largest private outsourced provider of contract rehab services to the acute care industry. Prior to EnduraCare, Harry served as the Chief Financial Officer of TherEX, LLC. Harry’s background also includes more than 18 years as an investment banker where he founded his own investment bank and served at Harpeth Capital and Stephens Inc. Harry’s corporate finance experience includes mergers & acquisitions, equity and debt (private and public) capital raising, sell-side and valuation advisory services. Before becoming an investment banker, Harry gained public accounting experience providing audit services with Howland & Norris CPAs and Deloitte & Touche as a Certified Public Accountant.


Harry’s education includes a JD from the Bowen School of Law, University of Arkansas at Little Rock; Series 7 and 63 general securities license, Certified Public Accountant, and a BA from Hendrix College.

Dennis Grimaud


Dennis brings over 30 years of experience in the health care industry and 20 years experience in biotechnology as an entrepreneur, senior executive and consultant. Before becoming Chairman and CEO of Diatherix, Dennis was CEO of Genaco Biomedical Products. Genaco provided Molecular Differential Diagnostics through multiplexing technology in infectious disease and cancer. Dennis has also served as Chairman and CEO of Premier Micronutrient Corporation, ScyTech, Inc. and Cytometry Associates, Inc., respectively. Prior to Cytometry Associates, Dennis served in many capacities at International Clinical Laboratories, Inc., turning around troubled operational divisions and developing market strategy for cooperative agreements with hospitals. Prior to joining ICL he held two positions with National Medical Enterprises, Inc. as Administrator of Medical Diagnostics and Director of Laboratory Services in materials management providing consultation to over 150 hospitals and medical facilities nationwide.

Randy Ward M.T.(ASCP)


Randy was responsible for the design and implementation of Diatherix’s state-of-the-art CAP-accredited laboratory, and has served as President and COO since its inception. His career encompasses more than forty years in clinical laboratory management.

Prior accomplishments have included design, implementation and management of five reference laboratories, and management of five hospital laboratories within the states of Alabama, Illinois and Indiana. He was also responsible for re-engineering six hospital laboratories. Additional experiences include Randy’s role in teaching transfusion medicine to medical technology students, along with educating Pathologists for CAP inspections. Randy was also involved in designing one of the first hospital-wide computer systems.

Randy received a Bachelor of Science in Biology from Mississippi College and a Medical Technology degree from Baptist Medical Centers in Birmingham, AL. He also obtained a Medical Technologist certification from the American Society of Clinical Pathology.

Stanley Lu


Stanley Lu has over twenty years of experience in high-throughput manufacturing in the steel, paper and chemical industries. His responsibilities included design, development and implementation for several computer controlled manufacturing processes. He has in-depth knowledge and working experience in process control, automation, model predictive control, statistical process control and shop floor automation system. Stanley Lu also has 7 years of experience with a biomedical products company as an IT consultant in IT operation infrastructure design and implementation. He has over 5 years of health care experience since joining Diatherix as Chief Information Officer. Stanley Lu received a B.S. in Chemical Engineering from the National Taiwan University of Science and Technology in Taipei, Taiwan. He received a M.S. in Chemical Engineering from Ohio University in Athens, Ohio and a M.S. in Electrical Engineering from Washington University in St. Louis, Missouri.

Traci Tyree


Traci Tyree joined Diatherix Eurofins as the CFO in September 2014 she has served as CFO and COO in a variety of emerging growth companies including publically-traded companies. She brings over 25 years of experience in successful mergers and acquisitions, re-aligning and maximizing companies assets to enhance profitability and growth. Operationally and strategically, she has a proven track record, working in complex businesses creating operational and financial foundations critical to fast growing successful companies paired with her focused ability to streamline the business processes that align with companies’ strategic goals.

Her most recent experience was CFO/COO for a start up biotech research Institute, HudsonAlpha Institute for Biotechnology, Inc. from 2005-2014. She developed the foundational and overarching platform for the financial and business operations for the $125 million dollar,150 acre research Institute.

Traci received her B.S. in Accounting and is a Certified Public Accountant. Her continued passion for appropriate diagnosis for the population as a whole made joining Diatherix a logical choice. Diatherix precise detection of infectious diseases is like no other and is changing healthcare solutions one patient at a time.

Donald R. Stalons, Ph.D., D(ABMM), MPH

VP of Operations, Clinical Laboratory Director

In a career that has spanned more than 35 years, Don has provided leadership to large reference and hospital laboratories as a Clinical Microbiologist, Laboratory Director, and Infection Preventionist. He has been an advocate for quality improvement initiatives, antibiotic stewardship, and cost containment programs in a variety of healthcare delivery systems. Don has assumed the role of Clinical Laboratory Director at Diatherix where he monitors day-to-day test performance, assists with the design and development of new test panels, and interacts with physician clients on the interpretation of test results.

Don received a Bachelor of Science from Portland State University, a Masters in Public Health, and a Doctorate in Clinical Laboratory Practice from the University of North Carolina. He is fellowship trained in Medical Microbiology and Infectious Disease and is a Diplomate of the American Board of Medical Microbiology.