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Roseville Wrestling Club

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Coaching Staff


Coach Doug Ash
(Head Coach, Roseville High School)

Coach Ash has coached several sports for nearly 30 years, including wrestling for the past 15 years at both Roseville High School and Buljan Middle School.  Coach Ash wrestled for 6 years, including 4 years at El Dorado HS (Orange Co.), under CA Wrestling Hall of Fame Nominee Jeff Roberts and the 1982 National HS Coach of the Year, Frank Gonzalez. Coach Ash is currently a math teach at Roseville HS. 

Coach TJ Maroon 

(Head Coach, Buljan Middle School)

Dr. TJ Maroon wrestled for Diablo Valley College and UC Davis while earning his bachelors degree in exercise physiology and a medical degree. Dr. Maroon is currently a Medical Doctor with an emphasis in exercise physiology; he is Board Certified in Bariatric Medicine and anesthesiology. He Specializes in medical and sports weight management as well as nutrition/preventative medicine. Despite a busy clinical practice Coach Maroon continues to coach Buljan Middle School and trains in Brazilian Jiu Jitsu in the off-season. 

Coach Jason Castellanos 

(Buljan Middle School Asst. Coach)

Coach Jason grew up in the Bay Area where he achieved state rankings in 1991 wrestling for Saint Francis High School. He recently wrestled for Sierra College's 2008 state championship team. . Jason also has a son wrestling in the program.