Oceanfront Recovery’s Experienced Team

Oceanfront Recovery placed its greatest concentration on acquiring the most talented clinicians and case managers in the field. Our team of experts have over 75 years of experience in the field of addiction treatment. When it comes to success rate, the quality of the staff greatly determines the outcome for the clients. We understand this principle and thus have assembled a team of highly-trained and experienced professionals, each uniquely positioned to help you or your loved one establish a lasting foundation in sobriety.

Executive Team

Robert Hillis

Robert Hillis


Chief Executive Officer

Keenen Diamond

Keenen Diamond


Chief Operating Officer

Clinical Team

Dr. Ed Kaufman

Dr. Ed Kaufman


Medical Director

Ernalyn Montgomery

Ernalyn Montgomery


Healthcare Director

Lawrence Marquez


Lead Therapist

When you visit my office you will find an environment of comfort and relief because I place your safety, well being and quality care as my top priority. I am truly concerned for your welfare and you can be assured that I will listen to you with an open mind and heart. My goal is to actively share in building a therapeutic relationship of honesty and respect. I tailor our sessions around your individual needs and will help you make sense of the different parts. By addressing your unique experiences and individuality I will care for you with respect and patience for your personal process. I counsel naturally because I have travelled my own path to healing and recovery. In addition to providing an understanding ear, I offer many tools to help you overcome whatever obstacles you are facing.

Tim Ringgold

Tim Ringgold


Music Therapist

Emmanuel Dulay

Emmanuel Dulay


Healthcare Coordinator

Alex Trotter


Healthcare Supervisor

Alex Trotter is a Licensed Vocational Nurse with over 4 years of experience working in Addiction Medicine. She is passionate and enjoys working in residential detoxification setting, in which she works hard to help create a comfortable detoxification experience for every patient. Alex works closely with the Medical Director, Healthcare Director, and acts as a resource to her peers and support staff. Alex Graduated from CNI College in 2013. In her spare time, Alex enjoys spending time with her two dogs.

Kristen Nassif


Program Director

Kristen completed her Masters of Arts in Marriage and Family Therapy from the University of Southern California and holds two bachelor’s degrees in Psychology and Creative Writing from Pepperdine University.

Before beginning her career at Oceanfront, she spent time writing and publishing a pre-marital counseling workbook, that is used by Pepperdine University. From there she worked, in Beverly Hills, doing long term psychotherapy and training in Jungian and Psychodynamic theory. It was after this, that she began working in the field of addiction treatment, and gained experience in teen treatment in Malibu before moving back to Orange County to work with adults. Through her many years working in addiction and private practice in the area, she has gained considerable experience with adults, families and children regarding trauma, substance abuse and behavioral addictions. Kristen loves her team and the work she gets to do with Oceanfront Recovery.

In her free time, Kristen enjoys horseback riding, her calligraphy business and playing with her dog, Windsor.

Gail Connell


Case Manager

Gail has lived right here in Orange County California since the age of four. Gail has six adult children ages 26 to 36 and six grandchildren under the age 5. Her family relationships are the most special thing in her life and the reason she works in this industry. Gail has family members that have substance abuse issues and experiences firsthand what it can do a loved one and all of the family members.

After having worked many years as an Administrative Assistant, she knew she wanted a career that may have an impact on the life of a person with the disease of addiction. She began working in the field of Substance Abuse Treatment where she may have an impact that could be life changing for her clients and their families. Gail has over 6,000 hours working in the field and is currently in school to become a CADC-II.

Sandy Giltiman

Sandy Giltiman


Acupuncture Specialist

Administrative Team

Sharon Siegel

Sharon Siegel


Administrative Accountant

Justin Zampino

Justin Zampino


Director of Admissions

Evan Vara

Evan Vara


Lead Admissions Coordinator

Anna Piepenbring

Anna Piepenbring


Director of Quality and Compliance

Operations Team

Max Bowman


Lead Detox Technician

Max Bowman is the Lead Detox Technician at Oceanfront Recovery. With over half a decade working in the treatment industry, he is knowledgeable about addiction and has helped countless people throughout the years. Max has experience working in all levels of care, but prefers working in detox caring for individuals at their most critical point in their treatment. He works closely with the Healthcare Director and nurses. He oversees other detox technicians and acts as a resource for information. Max is passionate about snowboarding and can be found on the slopes on his days off during ski season.

Ron Emmal

Ron Emmal


Operations Manager

Michael Berry

Michael Berry


Operations Supervisor

Chad Smith

Chad Smith


Operations Supervisor

Ken Tekiela

Ken Tekiela


Support Staff

Kurt Greenbaum

Kurt Greenbaum


Executive Chef

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877.279.1777