Leadership & Staff

Milton Vincent

Pastor-Teacher | elder | staff

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 his wife, Donna, have four children. 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.
Email: miltonv@cornerstonebible.org

Mike Berry

Associate Pastor | elder | staff

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

Mike started pastoring at Cornerstone in 1998. He met his wife Katie at Cornerstone in 1993. They were married by Pastor Milton in 1995 and now have three children. Mike enjoys watching the Angels beat the Dodgers, Yankees and many other clubs.
Email: mikeb@cornerstonebible.org

Karlos Limtiaco

Care Groups Pastor | elder | staff

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 Talbot School of Theology. He is currently completing a Master of Arts in Biblical Counseling from the Masters College.

Five years after being saved, Karlos Married his beautiful bride, Marcy. Together they have four wonderful children. Karlos has attended Cornerstone since 1993 and has been on staff at Cornerstone since January of 2005.
Email: karlosl@cornerstonebible.org

Carlos Cuellar

Associate Pastor | elder | staff

Carlos graduated from the University of Texas at Austin in 1996 with a BJ in Photojournalism. He completed his M.Div. at the Master's Seminary in 2009. Carlos has attended Cornerstone since 2002, served on the Elder Board since 2005, and as a full-time pastor since 2010. Currently he serves as associate pastor overseeing assimilation, college and career, children's ministry, media, and facilities.

Before serving in full-time ministry, Carlos was a Captain at SkyWest Airlines for 6 years. Prior to that, he worked briefly in the film and photography industry. He has been married to his wife and best friend, Jennifer, for 13 years, and together they have five children.
Email: carlosc@cornerstonebible.org

Paul Kumamoto

Youth Pastor | elder

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 and a son. Kumi has been working with the Youth group since 1981 and loves to teach and coach (almost anything!).

Alvin Davis

Treasurer | elder | staff

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 church 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.

Bill Payne

| elder

Bill received B.A.s in Philosophy and Social Science from San Diego State University. He earned a Teaching Credential and M.A. in History/Education from the University of California Riverside. For over 30 years, he has led young people in exploring and reasoning their way through the mysteries of the past at Moreno Valley and Valley View High Schools in Moreno Valley.

Bill finds it hard to remember life without his high school sweetheart and wife Eileene. They have one daughter.

Lillian Warkentin

Administrative Assistant | staff

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.

Lillian and her husband, Ron, 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 grandchildren.
Email: lillianw@cornerstonebible.org