Our Staff
The following are independent doctors of medicine, chiropractic and psychology recommended by TrueNorth Health
Alan Goldhamer, D.C.

Dr. Goldhamer is a graduate of Western States Chiropractic College in Portland, Oregon. After completing his chiropractic education, Dr. Goldhamer traveled to Australia where he became licensed as an osteopathic physician. He completed a residency program at the Arcadia Health Center, an in-patient facility specializing in the therapeutic use of water fasting. Dr. Goldhamer founded the TrueNorth Health Education Center in 1984 and is the Director of the Center's residential health education program. Dr. Goldhamer has supervised the fasts of thousands of participants. Under his direction, the Center has become recognized as a training facility for doctors wishing to gain certification in the supervision of the therapeutic use of fasting. He is on the faculty of Bastyr University where he teaches the course on clinical fasting and was the principal investigator in two studies. The first, Medically Supervised Water-Only Fasting in the Treatment of Hypertension, appeared in the June, 2001 issue of Journal of Manipulative and Physiological Therapeutics. The second study, Medically Supervised Water-only Fasting in the Treatment of Borderline Hypertension, appeared in the October 2002 issue of the Journal of Alternative and Complementary Medicine. He is currently directing a prospective study with long-term follow-up evaluating the clinical and cost of medical care outcomes in the treatment of diabetes and high blood pressure with fasting and a health promoting diet.
Dr. Goldhamer is the author of The Health Promoting Cookbook which provides detailed nutritional information on how and why to adopt a health promoting diet; he is co-author of The Pleasure Trap. Biography
Douglas J. Lisle, Ph.D.
Dr. Lisle is a graduate of the University of California at San Diego (Summa Cum Laude). He received the President's Fellowship and was a Dupont Scholar at the University of Virginia where he completed his Ph.D. in Clinical Psychology. He was then appointed Lecturer in Psychology at Stanford University and was on the staff at the National Center for Post Traumatic Stress Disorder at the Veterans Affairs Hospital in Palo Alto, California. Dr. Lisle worked as a forensic psychologist for the criminal justice system in Dallas, Texas and as a consultant for the National Institute of Health Clinical Trial on Cognitive Therapy for Recurrent Depression at the University of Texas Southwestern Medical Center. Dr. Lisle lectures nationally to health professionals on topics including evolutionary psychology, cognitive therapy, lifestyle modification, relaxation and stress management, and weight loss.
Dr. Lisle is the Director of Research for TrueNorth Health Center and has published numerous articles in the scientific literature. He is the co-author of the The Pleasure Trap. Dr. Lisle is in private practice conducting psychotherapy at the TrueNorth Health Center. Biography
Peter Sultana, M.D.
Dr. Sultana is a board-certified family physician. He graduated from Case Western Reserve University School of Medicine in 1996. He holds a dual degree in Art History and Physics from Fordham University , where he graduated Summa cum Laude in 1987. Prior to his clinical work, Dr. Sultana participated in the multi-disciplinary “Gait Lab” research team at the Cleveland Veterans Affairs Medical Center, developing a system of artificial walking for paralyzed patients. In 1999, he completed specialty training in Family Medicine at the University of Missouri, and became a diplomate of the American Board of Family Practice.
Currently, Dr. Sultana is on staff at the Santa Rosa Urgent Care Center and Santa Rosa Memorial Hospital . He has an interest in natural approaches to fertility and is certified as a Natural Family Planning Medical Consultant by the American Academy of Fertility Care Specialists. He maintains a family practice at the TrueNorth Health Center. His research interest focuses on measuring the extent of the body’s self-repairing potential in a variety of disease states. He brings his “mainstream medical” perspective to the research efforts of the TrueNorth Health Center.
Erwin Linzner, D.C.
Dr. Linzner completed his undergraduate training at the California State University, Los Angeles. He graduated Magna Cum Laude, class valedictorian, from Western States Chiropractic College. Dr. Linzner worked as an accountant and computer programmer prior to becoming a doctor. In 1994, he became affiliated with the TrueNorth Health Education Center. Dr. Linzner understands the importance of addressing the entire individual, physical as well as emotional, in guiding his patients in their process of healing. He incorporates soft tissue manipulation in the treatment of myofascial and connective tissue disorders and spends the time to correct joint problems in the extremities as well as the spine.
Alec Isabeau, D.C.

Dr. Isabeau studied at the University of California at Berkeley, prior to graduating Magna Cum Laude from Palmer-West College of Chiropractic. He then completed an intensive in-patient residency program at the TrueNorth Health Education Center. He has been a staff doctor and in private practice since 1986.
An enthusiastic, accomplished runner, cyclist and rock climber, Dr. Isabeau's outpatient practice emphasizes sports medicine and injury rehabilitation. His personal experience
has given him a keen insight into the evaluation and treatment of sports injuries and he enjoys helping his patients develop life-long, healthful fitness programs.
Click here to find out about the Functional Movement Screen and Corrective Exercise Program with Dr. Isabeau
Tim Grund, D.C., D.A.C.N.B.
Dr. Grund is a Cum Laude Honors Graduate of Life Chiropractic College West. He also completed three years of post doctorate training in neurology and was awarded Diplomate status as a Board Certified Chiropractic Neurologist by the American Chiropractic Neurology Board.
Dr. Grund's passion, training, and expertise is the brain/body connection. He is specifically trained in how the brain and nervous system control both physical and cognitive functions. Dr. Grund believes in a fully comprehensive approach which utilizes the natural ability of the body and brain to heal. His neurological training and clinical approach allows him to serve a diverse clientele with individual and specialized needs.
Click here to find out about Dr. Grund's Brain Fitness Program