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NHBA Select Coaches

Zak Doan

Zak is owner of ProBall baseball in Santa Ana and played professional baseball with the Florida Marlins organization. Before playing professionally, Zak played two years of Junior College baseball at Harper JC in Chicago. He then moved on to play collegiate Division 1 baseball at Austin Peay State University where he pitched on the 1996 team than had an impressive 46-18 win/loss record. Zack is one of the leading instructors in Orange County and has received accolades from several local media resources for his work with some of the top high school and college pitchers in the nation. Zack’s student include some of the areas and nations best high school, college, and professional pitchers including Newport Beach’s own Gerrit Cole who in 2019 led the American League in both ERA and strikeouts for the Houston Astros. Zak has been working with Gerrit since his high school days at Orange Lutheran. Zak resides in East Side Costa Mesa with his wife and two children who are 3 & 5. He looks forward to seeing them on the NHBA fields in the near future.

Ira Green

Coach Green has a B.S. Degree in Education and a master’s degree in Guidance and Counseling.  He has an extensive coaching background having been a head high school baseball coach for six years in the Chicago area.  In Southern California he has been the hitting coach and worked with the hitters at Tustin High for six seasons.
Coach Green has coached at all levels of baseball from T-ball to Connie Mack (17 & 18 year old’s.)  He began working privately with hitter and doing group hitting lessons in 1992 and founded The Baseball Academy in Orange County.  In 1995 he opened an indoor training facility to work with serious boys and girls with the desire to improve their game.

Players of all ages from age 9 to pros. have been helped by his coaching.  He has given instruction to thousands of area players over the years, many have gone on to do great things. Over 160 of Coach Green’s students have gone on to play Division 1 Baseball and about the same number have played in the pro ranks with 8 from his academy including his son Shawn Green going on to play in MLB.  The others include Aaron Boone of Villa Park H.S. (Reds, Yankees, Astros, Nationals, Indians, Marlins) Heath Bell of Tustin H.S. (Mets, Padres) Jayson Hardtke Leland H.S. (Mets, Cubs) Freddy Freeman El Modena H.S. (Braves) and Danny Espinosa Mater Dei H.S. (Nationals, Angels.)

Ariel Guitron

Ariel graduated from Downey High School in 1996 and was 1st team all San Gabriel Valley as a pitcher on both the baseball and football team as a QB. Coach Ariel played Professional Baseball for 5 years and has 19 years of teaching & coaching experience. From 2015-2019 he was the Varsity Pitching Coach at Newport Harbor High School and is currently the Pitching Coach at Long Beach Poly High. Coach Ariel lives in Long Beach with his wife Ashley, 15 year old son AJ, and his brand new baby boy Arlo. Ariel is a man of faith with a great passion for teaching and helping people grow. He connects with his players on a deeper level and encourages them to be the best that they can be mentally and physically. His motto is that more important than baseball, we want you to be good people. Integrity, hard work, and faith.

Steven Bibona

Coach Steven is currently a third-year undergraduate assistant for the UC Irvine Baseball Program where he is a double major in business economics and political science. Bibona attended Newport Harbor High School where he played baseball and graduated in 2016 on the Principal’s Honor Roll four times. In 2016, Bibona was named to the Sunset League All-Academic Team and earned the Jim Newkirk Character Award. Coach Steven resides in Newport Beach where he has also run a church youth group for 5 years.

Additional coaches are being interviewed currently to join the NHBA Mariners family


Newport Harbor Baseball Association (NHBA)
PMB 320 1048 Irvine Avenue 
Newport Beach, California 92660

Email: [email protected]

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