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Dr. Jonathan Marquez

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Dr. Marquez is a San Diego-based licensed clinical psychologist (PSY31865), sport psychologist, and biofeedback therapist at The Center for Men’s Excellence. His research focuses on health psychology and behavioral medicine interventions. His practice concentrates on men’s health psychology, the transition … Read More

Dr. Daniel Singley, CME Founder

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Dr. Singley is a San Diego-based board certified psychologist and Director of The Center for Men’s Excellence. His research and practice focus on men’s mental health with a particular emphasis on reproductive psychology and the transition to fatherhood. Dr. Singley … Read More

Dr. John Rettger

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Dr. Rettger is a San Diego-based licensed psychologist (CA license PSY27863) and staff psychologist at The Center for Men’s Excellence. His psychotherapeutic focus is on utilizing a holistic approach to mental health that is grounded in research and evidence-based methods … Read More