Daniel Costales has been the teaching elder of Berean Bible Church since 1999.  He was born on the island of Kauai to “Pastor Timmy” and Alice Costales. He spent his childhood years in Kauai and Oahu where his family was involved in full-time ministry.  He received degrees from Bob Jones University and The Master’s Seminary. Daniel and his wife Karen have four children: Hoku, Tim, Liana, and Kekoa.
Email: kahu@hilobereans.org

Aaron Tresham has been an elder at Berean Bible Church since 2016. He was born and raised in Oregon. He has degrees from Lewis and Clark College, the University of Oregon, and The Master’s Seminary. Aaron teaches math at the University of Hawaii at Hilo. Aaron and his wife Jennifer have two sons: Nathaniel and Matthew.

Andrew Repp has been an elder at Berean Bible Church since 2023. He was born in Indiana and raised in Missouri and South Carolina. He has degrees from Bob Jones University, Virginia Tech University, and the University of Hawaii at Manoa. Andrew teaches math and Bible at Christian Liberty Academy.

Landon Collins has been a deacon at Berean Bible Church since 2022. He was born and raised in Nebraska. He has degrees from the University of Nebraska - Lincoln and Parker University. Landon oversees the tech team at Berean, dealing with all things audio/visual. Landon and his wife Jenn have three children: Addison, Jameson, and Cameron.

Dmitriy Sumtsov has been a deacon at Berean Bible Church since 2022. He was born in Russia and later immigrated with his family to Washington state. He has a certification in landscape design from Ashworth College and a degree from Clark College. Dmitriy oversees the church building and grounds. Dmitriy and his wife Elena have six children: Tina, Alexandra, Elizabeth, Ivanka, Mary, and Kekoa.