Derek Peacock

COO

Derek oversees and directs the business and operational aspects of Peak Brain, including strategy, business development, marketing, client services, finance, accounting, and the production of the head first podcast.

Derek earned a Bachelor of Business Administration degree in Finance and Business Economics from the University of Notre Dame and a Juris Doctorate from Southwestern University School of Law. He is very passionate about nutrition and optimal human performance. Outside of the office, he enjoys Ashtanga yoga, open water swimming, cycling, and competing in triathlons.

Jessica Tolentino

Neurofeedback Coordinator – Los Angeles

Jessica is the Neurofeedback Coordinator at Peak Brain, managing EEG and Neurofeedback services, research, and staff. She has both clinical and research experience with EEG and Neurofeedback, as well as research experience in the field of addiction.

Jessica graduated from UCLA in 2016 with a B.S. in Psychobiology.

Jon Lomeli

Neurofeedback Coordinator – St. Louis

Jon Lomeli is the Neurofeedback Coordinator for Peak Brain services in St. Louis. He has clinical experience with EEG and Neurofeedback, and has been working with Dr. Hill for over three years.

Jon received his B.A. in Psychology from UCLA in 2016.

Andrei Narez

Senior EEG Technician

Andrei is the Senior EEG Technician for the Orange County division of Peak Brain. He has clinical experience with EEG and Neurofeedback, working directly under Dr. Andrew Hill for over 3 years.

Andrei graduated from California State University Long Beach with a B.A. in Psychology.

Samantha Snowden

Mindfulness Facilitator

Samantha leads group classes for adults and children here at Peak Brain.  She is also available for one on one mindfulness training for youth, adults and families. She recently developed and delivered three school-based mindfulness programs at Wish Charter School, Wise School and UCLA Lab School.

She attained her Bachelor’s degree in Psychology from UCLA and her Master’s Degree in Clinical and Educational Psychology from Columbia University.  Samantha completed a Certificate in Mindfulness Facilitation from the UCLA Mindful Awareness Research Center (MARC) where she has worked with families and youth as a mindfulness teacher on the UCLA campus. She holds training certificates from Susan Kaiser Greenland’s Inner Kids Program as well as the Mindful Schools Curriculum Program.

Robin Sol Lieberman

Mindfulness Facilitator

A UCLA-trained Mindfulness Facilitator and Anthropologist, Robin teaches classes at the Peak Brain Institute in Culver city and Costa Mesa, to world diplomats at the United Nations, and to men and women returning from Prison. She is the founder of the Jailbird Foundation, a 501c3 criminal justice reform organization, as well as the creator of LIFEHONEY™ , a globally-inspired wellness company. Ms. Lieberman is the author of The Charisma Code and a nationally recognized commentator on Fox (DC), KTLA (LA), and P.O.T.U.S (SiriusXM), amongst others.

John Kneedler

Mindfulness Facilitator

John leads group classes for adults and children here at Peak Brain.  He is also available for one on one mindfulness training for youth, adults and families.

John received his BA in psychology from Duke University and his Certification in Mindfulness Facilitation from UCLA’s Mindful Awareness Research Center. John has also been trained in the Mindful Schools curriculum and works with grade school and university students and athletes providing mindfulness education.