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Our Staff

Our Staff

"And He gave the apostles, the prophets, the evangelists, the shepherds, and teachers, to equip the saints for the work of ministry, for building up the body of Christ ..." - Ephesians 4:11-12 

Screenshot (11)   Manny Rocha

Senior Pastor

Beginning his ministry at Cornerstone in 1991, Manny held the positions of Youth Pastor and Pastor of Disciplemaking before being installed as Senior Pastor on May 7, 2000. A lifelong resident of the Chicago area, Manny earned his Bachelor's degree from Trinity International University in Deerfield, Illinois, and his Master's degree from Moody Bible Institute in Chicago, Illinois. He and his wife Ann have been married since 1981 and they are blessed to have four adult children and fifteen grandchildren.

Screenshot (12)   R.A.  Atanus

Executive Pastor

R.A. immigrated to the US in his early teens and soon after accepted Christ when he began searching into what it meant to be a true man. He grew up on the north side of Chicago and earned a degree in Electronic Engineering and worked as an executive for 25+ years in the Information Technology Industry. During this period, he went back to school for his MBA degree from Kellogg Business School. While working in the electronics industry, R.A. lived in Japan for two years and has traveled extensively to the Far East and Europe for business. He was in ministry in a co-vocational fashion for 27 years but was called to full-time ministry 15 years ago when he became an Executive Pastor. During this period, he returned to school again and finished his Master’s in Ministry from Trinity Evangelical Divinity School. R.A. and his wife, Martha, are blessed to have two children and two grandchildren

Screen Shot 2021-08-06 at 11.40.31 PM   Nick Coffman

Youth Group Director

Nick was born and raised in Southern California before joining the United States Marine Corps at age 17. He has lived in many different cities in the U.S. until settling in the Chicagoland area. Nick and his wife, Sheree, have been married for 12 years and have been blessed to raise four children. Nick has worked as a coach for over 20 years, working with children, families, amateur, and professional athletes. Owning a Christ-centered strength and conditioning coaching business has allowed Nick to design many successful programs to help others develop physically and spiritually. He has been involved in the leadership of many ministries over the years and is currently studying at Trinity International University where he will complete a Christian Ministry degree.

Daniel Chookaszian Daniel Chookaszian

Worship Director

Daniel grew up in our church and attended Northeastern University where he majored in business. He then attended Moody Theological Seminary and graduated with a Master in Divinity where he also met his wife, Alayna. Daniel currently works in the financial industry and he and Alyana have two daughters and they are very active in our church life. Daniel also loves leading worship and writing worship songs.

Amber Kretekos   Amber Kretekos 

Church Administrator / Children's Specialist

Amber is a current student at Moody Bible Institute. She has always had a love for the Lord and trusted Christ at age 5; however, when she was a junior in high school, that's when she took hold of her faith. God is constantly growing her in many new areas. Amber loves to help young students and has a huge heart for children who frequently don't get seen. In addition to her work as a part-time Church Administrator and Children's specialist at Cornerstone Church and has been leading a girl's high school small group for the past 6 years.  She loves helping and growing with people. She has much experience with children in Sunday School as well as youth groups. In Amber's free time, you can find her seeing her friends or at the beach.

Gia Ambrosia   Gia Ambrosia

Children's Specialist

Gia is studying at Moody Bible Institute. She is majoring in Children and Family Ministry. Gia took hold of her own faith in 8th grade and since then she has continued to grow in it. Gia loves working with kids and helping others learn about the Lord and His goodness. Gia has also been a high school girl's small group leader for 3 years and enjoys encouraging others to grow their relationship with the Lord. When Gia is not at Cornerstone or school she is out with friends and family. 

Screen Shot 2021-08-06 at 11.37.20 PM   Abby Peterson

Children's Nursery Coordinator

Abby is a student at Moody Bible Institute.  She is majoring in Urban Ministry with an interdisciplinary study in Youth Ministry.  Abby was raised in a Christian home, took ownership of her faith in high school, and continues to grow and learn how to be more Christ-like every day.  In addition to her love for Christ and the city of Chicago, Abby has a heart for children and has been serving in children’s ministry with kids of all ages for nearly a decade. When Abby is not at Cornerstone or school, she is playing games with friends and family, working in a coffee shop, or painting.



Our Elders

"Keep watch over yourselves and all the flock of which the Holy Spirit has made you overseers. Be shepherds of the church of God, which he bought with his own blood" Acts 20:28

The Elders of Cornerstone Church shepherd the flock by guarding, feeding, and overseeing those who have been entrusted to them.

 Our Deacons

 "For those who serve well as deacons gain a good standing for themselves and also great confidence in the faith that is in Christ Jesus." - 1 Timothy 3:13

The Deacons of Cornerstone serve our congregation by caring for the many physical and financial needs of our buildings and grounds.

Our Deaconesses

"I commend to you our sister Phoebe, a servant of the church at Cenchreae, that you may welcome her in the Lord in a way worthy of the saints, and help her in whatever she may need from you, for she has been a patron of many and of myself as well." - Romans 16:1-2

The deaconesses of Cornerstone serve the body in a variety of ways including CARE ministry and special events. They also keep areas of our church clean and tidy, prepare the elements for the Lord's Supper.


Thank you for joining us in praying for our Pastors, Staff, Elders, Deacons, and Deaconesses as they serve our congregation and community!