Diablo  Equestrian  Heritage Association

 Preserving Diablo Valley Equestrian Activities and Heritage

 A 501(C)3 Organization,  Tax ID 47-3972899  

All DEHA Directors and Advisors are non-paid volunteers

Brian Pepper / President

Brian has been an active member in several equestrian associations over the past decade including,  Bay View Horseman’s Association, Tri-Cities Horseman’s Association, Concord Mt. Diablo Trail Ride Association, Contra Costa County Horseman’s Association and California State Horseman’s Association.  Brian served or currently serves on not-for-profit and non-profit Boards where he has held leadership roles including:


  • Past Vice President -California Natural Gas Vehicle Coalition
  • Past Director – Contra Costa County Horseman’s Association
  • Past President – Concord Mt. Diablo Trail Ride Association
  • Current Director – Sacramento Clean Cities Coalition

Brian has been with PG&E for 35 years. Currently he is Senior Program Manager the Transportation services group, managing the electric vehicle charging infrastructure installation and operations . 

Valerie Watase-Sterling / Vice President

Valerie is a lifelong Contra Costa equestrian. She has participated in many disciplines including English, western, competitive trail riding, dressage, gymkhana, endurance, and three day eventing.   She was a National Champion of the North American Trail Ride Conference (NATRC), and Top Ten at the Morgan Horse Nationals in Oklahoma City for Ladies Hunters.

She has been involved for ten years with the United States Pony Club (USPC), serving in many capacities including District Commissioner. She has logged countless hours teaching horsemanship to various groups including Girl Scouts, Boy Scouts, 4H and others.  

Valerie is licensed Physical Therapist with thirty five years experience, and owns Lafayette Physical Therapy Practice in Lafayette, California. In her professional career, she has worked on innumerable riders who have suffered musculoskeletal injuries.

She completed a Therapeutic Riding program at the National Center for Equine Facilitated Therapy and Valerie took third place World Champion Mule Brayer at Bishop Mule Days.

Beth Scroggs / Treasurer

Beth has loved all things equine since riding her first Roy Rogers stick horse at age two. She has been involved with the United States Pony Club, Concord Mt Diablo Trail Club, has owned, leased, sponsored horses and trades rides for mucking stalls and grooming.  She has participated in Endurance Riding, and rode in the George Cardinet 80th Birthday parade in downtown Clayton. She currently enjoys trail riding on Mt. Diablo.   She has been a lifelong volunteer with Girl Scouts, Boy Scouts, 4H, the Contra Costa Food Bank, and others. She is a Unit Commissioner and Merit Badge Counselor with Boy Scouts of America, and is one of the few female members of the Order of the Arrow Boy Scout Honor Society. She is a retired Federal Western Regional Administrator who also counts scouting and beekeeping as her hobbies.

Scott Jensen / Facilities

Scott has loved and owned horses for many years.  Scott has experience raising Paint horses and has shown horses in halter classes.  Scott enjoys rolling up his sleeves to help preserve lands and facilities for horses and supporting local community events. Professionally, Scott flips houses and enjoys being bi-coastal, living in both Florida and California.

Larry Sterling

Larry wears too many hats to narrow down a title. His greatest gifts include; motivation and determination, fabulous chef, avid equestrian, countless hours of time donated, he is a voice of reason and advocate, and a passionate person.

Christine Jensen

Christine facilitated the successful start-up of a currently active 501(c) 3 non-profit organization providing therapy to people with special needs.  She currently serves on the Board of Directors for a local Equestrian Club, she attended instructor training for NARHA (North American Riding for Handicapped) and certification by EAGALA (Equine Assisted Growth and Learning). She

Nicole Pepper
Nicole started taking horseback riding lessons at age 3 with her dad in the foothills of Mt. Diablo And has been “horse crazy” ever since her first lesson. She has two horses - a Missouri Fox Trotter (Misty) and a Quarter Horse (Calienté). Throughout the 15+ years that Nicole has owned Misty, the combination has participated in city parades, won a rodeo queen title and competed at local CSHA gymkhana shows, even bringing home several State Championship Top 5 titles. Nicole is currently training her younger horse, Calienté, and wants to pursue a future in a variety of western disciplines.

Hugh Donatello

Member of the California State Horseman’s Association and the Tri-City Horseman’s Association for over ten years. President of the Contra Costa County Horseman’s Association for three years and a board member for four years. Motivated to help build the club that is community minded with Country values through horsemanship.

Large agricultural property owner with over ten horses and a family that rides including a daughter that is a Division 1 Gymkhana State Gymkhana Champion and another daughter that is a Division 1 Top 5 Gymkhana State Champion. Hugh’s highest ranking was 11th in the State for Division 3 Gymkhana.  CEO and Founder for a High Tech firm for over twenty years.