Milton Vincent
Pastor-Teacher

Milton received his B.A, in Bible from Bob Jones University. He received his M. Div. from The Master's Seminary in '91. Upon graduation, Milton assumed the pastorate of Cornerstone in January of '92.

Milton and Donna have four children, Brooke (16), Brendan (15), Benjamin (10), and Breanna (9). He loves golf, although his skills are subpar (or perhaps we should say, "above par" somewhere in the triple bogey range). He loves the Pittsburgh Steelers (since 1973) and the USC Trojans.

Mike Berry
Associate Pastor

Mike graduated with a B.A. in English from Cal State San Bernardino and taught junior high English before going on to seminary. He also earned a Master of Divinity degree from the Master's Seminary.

Mike started pastoring at Cornerstone in 1998. He met and later married his wife at Cornerstone and they have two children. Mike roots for the L.A. Angels of Anaheim.

Karlos Limtiaco
Care Group Pastor

Karlos holds a B.A. in history from Cal State San Bernardino. He has a Master of Arts in theology from International School of Theology as well as a Master of Divinity from the Talbot School of Theology. He is currently completing a Master of Arts in Biblical Counseling from the Masters College.

Karlos has been on staff at Cornerstone for two years and has overseen our transition to Care Groups. He has four children. He is a Boston Red Sox fan.

Alvin Davis
Treasurer

Alvin holds a B.S. degree in Finance from Arizona State University. He has a Certificate of completion from the College for Financial Planning.

Alvin has been volunteer staff at Cornerstone for nine years and oversees ehurch finances. He has served as an Elder for ten years.

He and his wife, Kim, have three children. He is a former employee of the Seattle Mariners Baseball Club.

Lillian Warkentin
Secretary

Lillian received her B.A. in music from Tennessee Temple University . She continued her studies at Azusa Pacific University in music and elementary education, taught 4th grade in the La Subida Elementary School and then worked in Special Education at the Terrace Elementary School .

Ron and Lillian have three sons, Aric, Ronald Jr. and Benjamin. Lillian’s passion is sacred and classical music. She is part of the worship team at Cornerstone and is also a member of the Riverside Community College Symphony Orchestra. Her favorite sport is keeping up with her favorite pastors’ demands and chasing after her 2 ½ year old granddaughter.

Stephen McCullough
Pastoral Intern

Steve received his BS in Cinema & Video Production from Bob Jones University in 2004. He is currently a part time intern at Cornerstone. He is learning the ropes of church ministry by doing three main jobs. He oversees the AWANA ministry, provides web and print design, and assists with any video production the church needs. He is originally from Springville, Alabama, and you can tell just by listening to him.

Steve met his wife Jenny in film school. They were married in August 2004 and plan to serve as mission filmmakers with Biblical Ministries Worldwide.

Paul "Kumi" Kumamoto
Youth Pastor

Kumi graduated from Biola University in 1983 with a BA in Sociology. He received his Teaching Credential from UC Riverside in 1984, and a MA in Education from Azusa Pacific University in 1986. He teaches math at Jurupa Valley High School in Mira Loma. He also coaches girls volleyball, girls soccer and baseball.

Kumi met his wife Lynnette over the phone (She lived in Michigan and he lived in Riverside). They were married in 1984. They have a daughter Lynlee (16) and a son Thomas (11). Kumi has been working with the Youth group since 1981 and loves to teach and coach (almost anything!).