SAGE HILL - Key Persons


Aaron Choi

Job Titles:
  • Assistant
  • Coach

Alice Xu

Job Titles:
  • Retired Director of Cadence Design Systems
Alice Xu (2022) is a retired director of Cadence Design Systems, an industry leader in electronic design automation.

Armin Zerza - CFO

Job Titles:
  • Chief Financial Officer

Bohdan Drobenko

Job Titles:
  • Assistant
  • Coach

Brandon Trinkwon

Job Titles:
  • Coach
  • Head

Bruce Loman

Job Titles:
  • Coach
  • Head
Coach Loman played Golf and Basketball at Western Connecticut State University. He worked as a Golf Professional at private and public courses in Connecticut for 10 years.

Cassie Fuenmayor

Job Titles:
  • Assistant
  • Coach
Bio Cassie Fuenmayor joined Sage Hill Athletics in 2021. She has swam on club and high school teams since age eight. Coach Fuenmayor worked as a lifeguard and swim instructor throughout high school and as an undergrad at UC Berkeley. In her free time, she enjoys cooking, traveling, and hanging out with her German Shepherd.

Christopher Cuff

Christopher Cuff (2021) is a 19-year law enforcement professional with vast experience in supervising and investigating critical incidents.

Dan Thomassen

Job Titles:
  • Coach
  • Head

Dr. Colleen Rivers

Job Titles:
  • Physician
Dr. Colleen Rivers (2021) is an emergency physician, wellness mentor, mother and founder.

Issac Sierra

Job Titles:
  • Admission Associate & Co - Director of Summer at Sage

Jennifer Lee

Job Titles:
  • Entrepreneur
Jennifer Lee (2024) is an entrepreneur with a background in design and marketing.

Jordan Hoppe

Job Titles:
  • Coach
  • Head

Justin Johnson

Job Titles:
  • Assistant
  • Coach

Kathy Wilk - CFO

Job Titles:
  • Chief Financial Officer
Kathy Wilk (2018) became Sage Hill School's Chief Financial Officer in 2015 and retired in 2018.

Kim Letch

Job Titles:
  • Managing Partner at Ernst & Young LLP
Kim Letch (Stobart) (2020) is managing partner at Ernst & Young LLP with more than 29 years of experience.

Laney Tucker

Job Titles:
  • Vice President & Senior Counsel of Retail Properties at the Irvine Company
Laney Tucker (2024) is the Vice President & Senior Counsel of Retail Properties at The Irvine Company.

Leyla Hanjan

Job Titles:
  • Associate Director of Admission & Financial Aid

Lily Pham

Job Titles:
  • Coach

Lynne Stroner

Job Titles:
  • Director of Alumni

Mark Jones

Job Titles:
  • Coach
  • Head
Bio Mark Jones joined Sage Hill Athletics in 2017. He was born and raised in Newport Beach, and attended Newport Harbor High School. Coach Jones played four years of varsity tennis at Newport Harbor High School for a team that made it to the CIF finals three out of four years. He attended Orange Coast College and played No. 1 singles for two years. Coach Jones attended the University of Colorado on a tennis scholarship. He played on the ATP Challenger Circuit for three years and participated in Wimbledon and the French Open Tennis Tournament.

Mike Bolen

Job Titles:
  • Chairman of the Sage Hill Board of Trustees
Mike Bolen (2011) is Chair of the Sage Hill Board of Trustees.

Mohit Mittal

Job Titles:
  • Managing Director and Portfolio Manager in the Newport Beach Office of PIMCO
Mohit Mittal (2023) is a managing director and portfolio manager in the Newport Beach office of PIMCO.

Patricia Merz

Job Titles:
  • Administrator
  • Head of School
  • Head of School / Biography & Instagram
Patricia Merz is a seasoned independent school administrator whose career spans 30 years. She joined Sage Hill as Assistant Head of School in 2007 and, based on her successful and inspirational leadership, was appointed Head of School in 2014.

Pavle Filipovic

Job Titles:
  • Coach
  • Head
  • in 2017 As the Head
Bio Pavle Filipovic joined Sage Hill School in 2017 as the head coach for the water polo and swim & dive teams as well as aquatics coordinator. Coach Filipovic grew up playing for the world-renowned Partizan WPC in Belgrade, Serbia. He played water polo and swam at Long Beach City College and played D1 NCAA water polo at Cal State Long Beach. He earned a bachelor's in Political Science from Cal State Long Beach and master's in Teaching and Education from National University. Before Sage Hill, Coach Filipovic coached water polo and swimming at Long Beach City College, Newport Harbor High School, and Harvard-Westlake School. In 2018, he started working in the Sage Hill College Counseling Office as the office coordinator. Coach Filipovic has coached some of the country's top water polo clubs such as Vanguard Aquatics, Newport Beach WPC, LAWPC, and Shore Aquatics. He is Club Director and Head Coach for Imperial WPC, which holds practices at Sage Hill School. As an assistant coach of USA Water Polo Men's Youth National Team, he traveled to Podgorica, Montenegro, for the Youth World Championships.

Peter Jordan

Job Titles:
  • Director of Admission & Financial Aid

Priyan Chandraratna

Job Titles:
  • Creative Director of Alfred House Productions
Priyan Chandraratna (2019) is the creative director of Alfred House Productions, a full-service event production and design company based in Los Angeles.

Richard Lee

Richard Lee (2021) is a judge with the Orange County Superior Court where he currently presides over unlimited civil matters.

Rick Lowe - Managing Director

Job Titles:
  • Managing Director
Rick Lowe (2015) is a Managing Director with Goldman Sachs.

Sarah Christeson

Job Titles:
  • Assistant to the Dean of School Life

Scott Tiernan

Job Titles:
  • Coach
  • Head

Steve Rodriguez

Job Titles:
  • Coach

Sudi Mariappa

Job Titles:
  • Managing Director at PIMCO
Sudi Mariappa (2021) is a managing director at PIMCO as the Head of Risk Management, and he has been with firm for over 17 years.

Tina McDaniel

Job Titles:
  • Admission Coordinator

Tom Orradre

Tom Orradre (2022) comes from a fifth generation California ranching family and is a founding member of RanchHarbor, a real estate investment firm.

Tyler Hu

Job Titles:
  • Executive Director of CASA Singapore
Tyler Hu (2024) is executive director of CASA Singapore, an international appliance distributor in Southeast Asia.

Whit Kenerson

Job Titles:
  • Coach
  • Head
  • a Tennis Coach
Bio Whit Kenerson joined Sage Hill as a tennis coach in 2016, and this will be his third year as head coach. He first started teaching PE classes at Colgate University in upstate New York while in college and spent summers at the Windridge Tennis Camp in Vermont. He played #1 at Colgate his last three years and the team was ranked in the top 15 in the country. He was the representative for Southern Cal several years at the UNISCO Nationals before going back to tennis full time. Coach Kenerson met his wife, Marcy, at a tennis league program he was running. They have three daughters who all played varsity tennis at Corona del Mar High School. During his time as Lightning tennis coach, the boys' varsity team won its first Division 1 title with a 19-0 record.