Dr. Ronald Klein, M.D.

Since 1995 Dr. Klein has been the Executive Director of an Ohio 5 physician office-based, and corporate on-site occupational company healthcare service. Peforms and supervises all clinical services . . .

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Dr. Bill Sneeder, MD, MPH, FAAFP

Dr. Sneeder is board certified in Occupational, Aerospace, and Family Medicine; a certified Medical Review Offercer, Fellow of the American Academy of Family Physicians, Associate Fellow of the Aerospace Medical Association, Ebry-Riddle University Adjunct Assistant Professor, and an FAA Aviation Medical Examiner.

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Dr. E. Robert Wanat II, D.O., M.P.H.

E. Robert Wanat II, D.O., M.P.H. has a bachelors degree in Zoology from U.C.L.A., a Doctor of Pharmacy (PharmD) degree from University of the Pacific, his Doctor of Osteopathic Medicine degree (D.O.) from the University of Health Sciences – College of Osteopathic Medicine in Kansas City, and a Masters in Public Health [MPH] from the University of North Carolina – Chapel Hill. E. Robert Wanat II, D.O., M.P.H. is board certified in Occupational Medicine and served as an occupational medicine specialist in the U. S. Army before becoming an Associate Medical Director at Procter & Gamble Company.

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Rex T. Yang, MD, MPH

Graduated Doctor of Medicine from Far Eastern University, Manila, Philippines. Finished Occupational and Environmental Medicine residency and Master of Public Health at the University of Pittsburgh, Graduate School of Public Health. Board Certified by the American Board of Preventive Medicine, specialty of Occupational Medicine. Certified MRO

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Theresa Leffler, RN, CNP

Therese Leffler grew up in the Miamis Valley area, where she received her associate degree in nursing from Miami University. She has worked as a registered nurse for over 30 years in both Ohio and Florida.

She attended Florida Atlantic Univeristy to complete her Masters degree in nursing. She is currently certified as a Family Nurse Practitioner and gastroenterology.

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