Dr. Jonathan Marquez - Staff Psychologist

Dr. Jonathan Marquez

Dr. Marquez is a San Diego-based licensed psychologist (PSY31865) and staff psychologist at The Center for Men’s Excellence. His research focuses on health psychology, which aims to strengthen the mind-body connection with a holistic, yet individualized approach. His practice concentrates … Read More

Dr. John Rettger, Staff Psychologist

Dr. John Rettger

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

Dr. Daniel B. Singley, founder

Dr. Daniel Singley, CME Founder

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

Jena Uphold, M.A./M.S., Clinic Coordinator

Jena is currently an advanced graduate student at the California School of Professional Psychology (CSPP), where she is a third-year student pursuing a Ph.D. in clinical psychology. She has two master’s degrees in psychology and her research is focused on highlighting … Read More