David Mandani is a licensed clinical social worker and brings over 20 years of clinical expertise and executive leadership in nonprofit, faith-based, and behavioral health settings. He has spoken and trained audiences across the United States and internationally, sharing insights on mental health, ministry, and recovery. He previously served as Vice President of Programs at one of the largest privately funded rescue missions in the country and held a leadership position with The Salvation Army in Dallas, Texas—home to the organization's largest area command in the world. In addition to his clinical and nonprofit leadership, David served as the Pastor of Mental Health at Saddleback Church in Lake Forest, California. In this role, he helped launch catalyst events to care for individuals and families impacted by mental illness and trained church leaders to develop sustainable, resilient, and accessible mental health community at their places of worship. He has also served as adjunct faculty at two Christian universities, where his teaching focused on the integration of Christian faith and clinical mental health practice. David's direct service experience spans behavioral health facilities, emergency departments, psychiatric hospitals, and his current private practice. Diagnosed with schizophrenia at age 18, David is committed to sharing the HOPE that he has found in Jesus Christ.

Hayley Sackett began her journey in Christian ministry in Durban, South Africa. After earning a Bachelor’s degree in Geological Sciences, she felt called to ministry and joined the staff of her local church in an administrative role. Seeking to deepen her leadership and management skills, she completed a year-long international Christian leadership development program, which led to her role as Discipleship Director at a church in Schenectady, NY. She later transitioned to Operations Manager, overseeing staff and church operations while pursuing her Master of Arts in Christian Studies.Several years after immigrating to the U.S., Hayley moved to Southern California to be closer to family, shifting into the corporate world, where she refined her administrative and management expertise in the construction industry. Though no longer in full-time ministry, she remained deeply involved in church life, completing her Master’s degree and serving in various volunteer roles while seeking God’s direction for her next steps.‍ In February 2024, Hayley joined Hope for Brighter Tomorrows as Executive Assistant to Kay Warren and Kelly Rosati. In this role, she blends her ministry background and corporate experience to support the organization’s mission of serving parents with children facing mental health challenges.Hayley is a dedicated member of Saddleback Church, where she serves in the Worship and Production ministries alongside her husband, Clark. They share their home with their beloved pets, Dakota and Meow-Meow.

With more than 30 years of professional experience across diverse corporate environments, Erin Berriman has established herself as a seasoned leader and advocate. Over the last 15 years, Erin has focused her career in the non-profit sector, primarily working for a national Christian ministry dedicated to supporting families. Her roles have ranged from fundraising and grant writing, to managing community outreach initiatives, where she served as a vital liaison between the organization and local community groups. Erin's most recent position was Director of Operations and Integration for the Visual Media Department, where she led the successful implementation of approved projects, creative initiatives, and strategic plans. With a strong background in project management, Erin is known for her meticulous attention to detail, ability to collaborate across departments, and her deep understanding of both strategic and tactical objectives. Her leadership is marked by a commitment to innovation, collaboration, and a focus on achieving measurable results. In 2024, Erin joined Hope for Brighter Tomorrow as the Director of Programs and Operations, where she continues to leverage her extensive experience to make a positive impact on the organization and the families it serves. When away from work, she enjoys spending her time with her husband, Mark, and their golden retrievers. She has three children, Megan, Brianne and Michael and two grandchildren.

Kay Warren co-founded Saddleback Church with her husband Rick in 1980 in Lake Forest, CA, serving until his retirement in 2022. After their son Matthew's death, who battled serious mental illness, Kay launched Saddleback’s Hope for Mental Health Initiative to provide a safe and welcoming place for individuals and families affected by mental illness to receive accurate psychoeducation, build community, and be fully incorporated into the life of the church. In 2019, she started BREATHE to support parents of children with mental illness, offering respite retreats, free Zoom calls, and a private Facebook page for parents. In 2024 Kay launched her nonprofit, Hope for Brighter Tomorrows to expand her mental health efforts for parents and to guide the faith community on ministering to affected families. Kay has contributed to mental health and suicide prevention efforts in Orange County, CA, was an ExCom member of the Action Alliance for Suicide Prevention, and authored several books on ministry and personal resilience. She has three children, Amy, Josh, and the late Matthew, and five grandchildren.

Kelly M. Rosati, J.D. has been an advocate for children and families for nearly 30 years. An attorney by education, she began her career in government and legal affairs in the healthcare arena. Her full-time child and family advocacy began in Hawaii where she was a proponent of child-friendly policies in the legislature and media. She then served as the Vice President of Advocacy for Children at a national family ministry and after that was the founding director of the Flying Horse Foundation, where she launched equine-assisted learning programs for at-risk kids in Colorado, Costa Rica, and Kauai. Her passion for children has been both professional and personal as she and her husband, John, adopted their four children from foster care and wrote about the journey in their book, Wait No More. (Tyndale, 2011) She was named by the Honolulu Star-Bulletin in 2001 as one of the “10 Who Made a Difference” in the state of Hawaii for her child advocacy work and has testified before Congress about the needs of children in foster care. She joined Hope for Brighter Tomorrows as its President in 2024 with a passion for serving families like hers who are impacted by mental health challenges.

Kimberly How is a seasoned events manager with a passion for ministry and creating meaningful experiences that inspire and uplift. She earned her Bachelor of Arts in Business and Marketing from California State University, Fullerton, and began her career in event management at a Fortune 100 bank. Over the next decade, she gained invaluable experience organizing travel incentive programs, regional meetings, and board retreats. Feeling called to use her talents in ministry, Kimberly transitioned to CDF Capital, where she spent 10 years managing industry conferences, VIP client events, board retreats, and employee gatherings to support churches in their mission to grow. She later expanded her impact by taking on event management roles with Visioneering Studios and the Kairos Benevolence Fund, creating spaces of encouragement and inspiration for church leaders, pastors, and missionaries. In February 2025, Kimberly joined Hope for Brighter Tomorrows, eager to make a difference in the mental health space. She takes pride in her ability to understand the needs of others and create moments where individuals feel seen, heard, and safe. Kimberly is a member of Saddleback Church and the proud mother of boy/girl twins, Tyler and Emily, along with their beloved dog, Sparky. In her free time, she enjoys working out, spending time with family and friends, volunteering, shopping, and traveling.