William Heran, PhD, President

Dr. William Heran, co-founder of Caduceus Academy, has over 10 years experience developing and executing wellness programs for physicians and healthcare professionals. He currently provides and coordinates behavioral health services and teaches mindfulness stress reduction at the Lewis Katz School of Medicine at Temple University in Philadelphia, PA.

Dr. Heran taught at Boston College in the 1990s and is a former Jesuit from the New England Province. He is an excellent teacher and trains Caduceus Academy instructors to become the same.

Dr. Heran brings a unique set of clinical, administrative and vision leadership to Caduceus Academy. When asked about his vision of Caduceus he states, “We are a unique and highly effective academic support program with state-of-the-art instruction, the best ratios of student to instructor in the industry and seasoned clinicians to provide behavioral health and wellness support.”

Gabe Lau, PhD, PE, Vice President of Admission and Operation

Dr. Gabe Lau is the Vice President of Admission and Operation for Caduceus Academy. Gabe holds a Bachelor and a Master degree in Civil Engineering from Iowa State University and he is a licensed professional engineer with over 15 years of operation and project management experiences in various industrial and manufacturing businesses, commercial and healthcare buildings, fossil and nuclear power plants. Gabe completed his Doctorate of Philosophy (PhD) in Organizational Development at Cabrini University in Philadelphia.

Clay Gueits, MD, Lead Instructor

Dr. Clay Gueits is the lead instructor of Caduceus Academy. Dr. Gueits earned his Medical Doctorate from Stony Brook University School of Medicine in New York and his Bachelor of Science degree in Physics from the University of Maryland. Dr. Gueits attended Mount Sinai Anesthesiology for his medical residency, working as a medical and surgical resident before changing paths to pursue his interest in Psychiatry. For the past two years he has conducted Neuropsychiatry research at the University of Pennsylvania in Philadelphia PA. Dr. Gueits has worked as an instructor at every level, teaching SAT and ACT Math to high school students, Calculus, Physics, and MCAT to undergraduate students, and USMLE Step 1 subject material to medical students. His experience in both clinical and academic medicine, as well as teaching, endows him with powerful tools to help medical students achieve their goals in their professional and academic careers.

Michael Foster, MD, Instructor

Dr. Michael Foster earned his Medical Doctorate degree  from Drexel University College of Medicine in Philadelphia and his Bachelor of Science degree in Biological Sciences from Cornell University. Dr. Foster completed an Internal Medicine internship at Penn State Milton S. Hershey Medical Center before deciding to relocate back to the greater Philadelphia area. Michael has taught medical students and advised other residents in all areas of medicine and has tutored and taught students in high school, science classes at Cornell, and for the MCAT. His experience with diagnosis and treatment of patients in the hospital and in clinic as a primary care provider have given him real world application of the material covered in the USMLE.

Stephen Teich, MD, Instructor

Dr. Stephen Teich was raised in suburban New York City, leaving to attend the University of Rochester. Dr. Teich graduated cum laude with a BA in biology and he received his medical training at SUNY Downstate Medical Center in Brooklyn, NY (MD degree), St, Vincent’s Hospital and Medical Center in Manhattan (residency in internal medicine) and the Georgetown/Washington DC program in cardiology (fellowship), privileged to have been mentored by W. Proctor Harvey, MD.  Dr. Teich’s subsequent practice of clinical cardiology was spent exclusively  at Abington (PA) Memorial Hospital, now a branch of the Thomas Jefferson University Health System. He retired in 2016 after 35 years as a cardiologist. 

Dr. Teich has always enjoyed teaching, running the hospital’s cardiology elective for senior medical students both from Philadelphia and out of state for 20 years. Dr. Teich is recognized for his course in electrocardiography, repeated throughout the year, for students from multiple medical training programs. This continues to be offered weekly and voluntarily in his retirement. Awards for teaching have been presented by the hospital residents, the medical students rotating through Abington and by Temple University School of Medicine including the Blockley-Osler Award.  Dr. Teich was named a “Top Doc” in Philadelphia Magazine for his approach to cardiology in the geriatric patient.  Dr. Teich lives in suburban Philadelphia with his wife Susan and with his children Elise and Brian.  His favorite interests include reading, working at Barnes and Noble in his retirement, photography and giving walking tours of Manhattan.

Phil Koehler, DO, MS, COMLEX Instructor

Dr. Phil Koehler is a PCOM Osteopathic Manipulative Medicine (OMM) Teaching Fellow and has over 5 years’ experience teaching Anatomy, Musculoskeletal Medicine, Osteopathic Manipulative Medicine (OMM), and COMLEX-USA Board Review.  As the Director of OMM Education for Medquest Educational Services, he published an OMM Video Review Series and Question Bank for COMLEX-USA board review.  He is also a Nicholas S. Nicholas DO Memorial Scholarship recipient for his work in OMM at PCOM and has a passion for teaching medical students.  Phil completed a Bachelors of Science in Biology at Lehigh University and a Masters of Science in Biomedical Sciences at the Philadelphia College of Osteopathic Medicine (PCOM).  He graduated with a Doctorate of Osteopathic Medicine degree from PCOM in June of 2017 and will be completing residency in the field of Physical Medicine and Rehabilitation at Thomas Jefferson University Hospital.

Dr. Phil Koehler is co-author of Master the Boards for USMLE Step 2 CK.  It is the best selling boards review book on the market and we highly recommend it for any students taking COMLEX or USMLE Step 2.

Michael Eckert, BA, Instructor

Mr. Michael Eckert is an aspiring physician and student instructor joining the Caduceus Academy team to work with their medical students. A native of Pennsylvania, Michael completed his Bachelor of Arts in Biology with departmental honors at the University of Pennsylvania while specializing in Molecular Biology with a minor in Chemistry. Following college, Michael enrolled at Temple University School of Medicine where he completed his pre-clinical coursework before putting his career on hold to pursue independent study which included volunteering to tutor the MS1 biochemistry course. Currently returning to medicine, Michael aims to use his knowledge and lifelong passion for medicine to assist fellow students preparing for the USMLE Step 1 exam. Having assisted numerous friends and colleagues prepare for the MCAT and medical school application process, Michael looks to use his experiences and appreciation for a multitude of student learning styles and backgrounds to make the test preparation process comfortable, engaging, and rewarding for the physician in training.