Pastors & Elders

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Tim Brady

Family Life Pastor


Tim has been serving at Creekside since July 2007 as a Family Life Pastor.  He currently oversees HSM, our high school ministry. Since 1996, he has ministered to students and families as a Camp Director, Middle School Teacher, and Junior High and College Director. Tim has a passion to see students and their families fall in love with Jesus together! He received his ministry training from William Jessup University, studying Bible Theology and Christian Leadership.

 Tim and his wife Michelle were married in August 1999 and live in Alamo with their three beautiful daughters Ashlynn, Kamryn, and Lauryn.  

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Doug McBride

Lead Pastor/Elder


Doug was born and raised in Alamo and lives in a house in the same neighborhood he grew up in.  He and his wife are both graduates of Monte Vista High and Cal Berkeley.

Doug has been teaching the Bible for the last 30 years, starting as a volunteer Youth Pastor and has been a leader and teacher at Creekside for the last 15 years.  He owns and operates UCSMC, a small medical company specializing in cancer radiation therapy.

Doug currently coordinates the teaching schedule with other gifted teachers in the body as well as participates in helping to plan the Sunday Morning Service.  He attends the Elder meetings once a month to continue to ensure his teaching is in line with Creekside's vision and goals for spiritual growth in the body.

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Gregg Armstrong

Elder/Teaching Pastor


Gregg has attended Creekside for more than 20 years. He and his wife, Marion, live in Walnut Creek. They have two grown children, Laura and Jonothan.  Gregg owned and operated a whitewater rafting company since 1974.  He enjoys gardening, biking, skiing, fishing and spending time with people in his free time. 

Philippians 2:12-13 is his life verse.

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Derek Ewin

Elder/Teaching Pastor


Derek grew up in Lafayette and has been involved at Creekside since the 1980s.  He graduated from Acalanes High School and moved on to UCLA where he earned a B.A. in Political Science.   After graduating, Derek attended the King Hall School of Law at U.C. Davis.   He and his wife, Diana, live in Walnut Creek.  Their daughter Alexandra currently works locally and their son Dominic is in high school.

Derek was one of the first Summer Youth Pastors for the church back when he was in college, and he has been leading Bible studies and teaching ever since.   Derek spent 12 years as a Deputy District Attorney in Contra Costa County before opening up his own law practice in Walnut Creek.   He currently helps individuals, families and kids negotiate the criminal justice system with an emphasis on restoring relationships and self-worth.  Derek feels that teaching the Bible and his law practice are the two ministries God has called him to. 

Derek currently serves as an elder at Creekside and he teaches in “Journey” - the Sunday morning adult Bible class.  Occasionally he will preach in the Sunday morning service.

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Jerry Grassi

Elder/Teaching Pastor


Jerry has been attending Creekside for about 15  years.  Jerry and his gifted wife Kimberly have two fantastic children, Gerard and Sophia.  Jerry teaches in the Journey class at Creekside, an adult bible study that meets on Sunday morning.

Jerry began his career as a civil engineer, but has been working in the software industry since 2001.  Kimberly is an Associate Professor at Western Conservative Baptist Theological Seminary and a PhD candidate at Golden Gate Seminary.  Jerry continues to be amazed that His Father in heaven accepts him as he is and allows him the opportunity to share in what He is doing in the world.

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Jeff Klippenes

Elder/Teaching Pastor


Jeff was raised in the north woods of Minnesota in a small mining community. He came to know Jesus in 1965. He attended Multnomah Bible College, obtained his under graduate degree from Warner Pacific Portland, and graduate degree from Fresno State.

Jeff was married to Jacque in 1977 and together they opened Sequoyah Counseling Center in 1980. They have 2 daughters, a son in law, and 4 grandkids. Oh yes, goats, turkeys, and chickens...

Jeff has been involved with marriages, men's ministry, pastoral mentoring, and wilderness retreats.  His desire has always been to pursue the wild places of our God's heart.  He has been blessed with strong men around him that speak into his life and kick his butt when needed. Occasionally, his Italian bride does that too.


Deacons & Staff

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Rhonda Fuery

Women's Shepherding Team


My husband and I have been attending and serving at Creekside since 1995. While the body here has changed in many ways over the years, one thing has remained constant and true…the Head of this body is God and we gather together to grow in our relationship with Him and to spur one another on to love and good deeds.

The role of the women’s shepherding team is to oversee, pray for and encourage the women in our body to connect with God and with one another and to use their gifts, talents and passions for God’s glory!

In addition to serving in this way I enjoy hiking, tennis, reading and my favorite type of camping experience...staying in a nice hotel!

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Isaac Perez

Worship Director


Shortly after I was born in Los Angeles, my parents moved to Mexico to work in a church in the state of Baja California. At the age of 7, I accepted Jesus as my Lord and Savior.       

Since I was little, I was drawn strongly towards music and worship. This interest nested inside me throughout the years and it grew to become my passion. At the age of 16, I knew that I wanted to transform this passion into a life-long professional career, and serve the Lord through it. After finishing community college, I decided to leave my home in Mexico and move to the United States to continue my studies in music. 

I'm so thankful to the Church and God for bringing me here. It is a blessing for me to join brothers and sisters here at Creekside and do what I love the most, worship God!

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Kerri Sadigh

Director of Children's Ministry


Kerri has been serving at Creekside since 2005.  She has worn many hats at Creekside including maintaining the website and newsletter, planning events, small group planning, coordination of Sunday morning ministries, and now takes on the role of Director of Children's Ministry.  She desires to see all who come to Creekside connected to others in the body experiencing life together and sharing the life God gave them with people in the community. 

Kerri resides in Danville with her husband, Anthony,  and their two beautiful children, Cameron and Hannah.  Life Verse: Romans 8:28

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Diana Ewin

Office Manager/Camp Creekside Director


Born in Hawaii but raised in California (with family still in Hawaii), her heart belongs in Northern California where she lives with her husband Derek of over 20 years.  They are almost empty nesters; daughter Alexandra (23) is recently married to son in law Nick, and son Dominic (18) is a senior in high school preparing for his next adventure of college.

You can often find Diana hanging with her friends; over coffee, for lunch or on a weekend getaway.  She is somewhat of a volunteer addict, according to her husband whether it’s in church (VBS 17+ years), charity, school or sports activities.  Other interests are going to the movies (mainly for the popcorn), dancing, and pop-culture trivia.  When time permits, her favorite hobby is spending as much time with her 3 ½ year old granddaughter, Emma Hope. #mygranddaughteriscuterthanyours

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Jeremy Mann

Interim Middle School Director


Jeremy has been serving at Creekside as the Interium Middle School Director.  As a past Youth Pastor at Creekside many years ago, Jeremy still has a heart for ministering to children and oversees the Middle School students who meet on Sunday mornings and Tuesday nights.

 Jeremy is a member of the Creekside Community Church body and works for US Cancer Management Corporation overseeing the operations of three radiation oncology centers.  He is also active in the community as a chaplain with both the San Ramon Valley Fire Protection district and San Ramon Police Department as well as Unveiled Ministries Inc., a local service non-profit.  Jeremy and his beautiful wife, Marissa, live in Danville with their four children Kaleb, Emmy, Ari, and Joshua.