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Andrea GriggsChief Administrative Officer
Human Resources Director
Andrea Griggs joined the Quiet Hour Ministries team in January 2009. She has an MBA from La Sierra University and a Bachelor’s degree in business from Pacific Union College. Previously, Andrea worked at Pacific Union College for 17 years and spent six years in Sedan, Kansas as a small business owner and consultant for a non-profit. She became interested in evangelism while working at La Sierra University Church. She firmly believes that God led her to Quiet Hour Ministries for a purpose, and can't wait to see what He has in store. Andrea is active in church music ministries and enjoys directing and performing in community theater. Andrea lives in Riverside with her husband, Jim, and daughters, Nicole and Samantha.

Diana OeiChief Financial OfficerDiana joined Quiet Hour Ministries in May 2014. Before that she had served as controller for various entities in the energy, manufacturing, service and health sectors. Diana holds an accounting degree and an MBA from Cal State Bakersfield and started her career in public accounting. Her love for evangelism led Diana to join our organization. And she’s excited to help further our mission: partnering with God in leading people to share His saving grace.

Linda DavisMinistry Advancement DirectorLinda joined Quiet Hour Ministries in December 2014. After working in the healthcare industry for 14 years, Linda is grateful to serve Christ in an evangelism ministry. She has a doctorate from the University of Southern California School of Pharmacy and a master’s degree from the Loma Linda University School of Religion.


Linda BiswasEvangelism DirectorLinda Biswas joined QHM in November 2018. Prior to joining our team, Linda served as the Assistant Chaplain for COMS: The Center for Outreach and Mission Service and other functions at La Sierra University for the past 14 years. Her love for missions began at a young age. Linda’s parents, natives of Bangladesh, regaled her and her two sisters with countless stories of missionary boxes that helped their family, and of the dedicated career missionaries that served as pastors, teachers, and principals.  It was in undergrad at La Sierra when Linda’s life trajectory was changed…the year she decided to become a student missionary. Now, dozens of mission trips later, a few units shy of her MTS and eventual MDiv degree, and with the North American Division Adventist Chaplaincy Ministry endorsement under her belt, Linda’s passion is to see people encounter Christ in a new way through service and she can’t wait to see others experience this with her at Quiet Hour Ministries.  


Matt DayaoInformation Technology DirectorMatt joined Quiet Hour Ministries in June 2015. Prior to that, he worked for seven years as the accountant at San Gabriel Academy. Matt enjoys quiet walks with his wife, going to the beach and gym night with his kids. One of his favorite quotes is from Leo Buscaglia, “Your talent is God’s gift to you. What you do with it is your gift back to God.”

Emily WeberMarketing DirectorEmily joined Quiet Hour Ministries in September 2016. She previously did marketing for Texas Health Huguley Hospital and holds a degree in writing from Southwestern Adventist University. A creative at heart, she is always designing something or brainstorming new ideas. Emily is honored to be involved in ministry and see people’s lives changed through Christ.

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