Corey Matthews

Corey Matthews is Executive Advisor to Taylor & Payne and a social impact strategist with more than 15 years of experience advancing cross-sector initiatives in economic mobility, public health, and education. As Founder and Principal of Coaching Transitions LLC, he advises organizations on institutional strategy, community engagement, and multi-stakeholder partnerships. Previously, as Vice President of Global Philanthropy at JPMorganChase, Corey oversaw a multimillion-dollar grant portfolio, directing strategic investments in economic inclusion, affordable housing, and workforce development. As former Chief Operating Officer of Community Coalition in Los Angeles, he provided executive oversight of organizational operations, strategic planning, and policy implementation. His career spans philanthropy, government, nonprofit leadership, and research, with expertise in institutional capacity building, resource mobilization, and cross-sector systems change. Corey holds a BA in Psychology and MA in Urban Education from UCLA and a Master of Public Policy from UC Berkeley.

John Sisneroz, PsyD, is Chief Strategy Officer of Taylor & Payne, a healthcare consultancy connecting lived experience, health policy, and delivery systems design. With 15 years in clinical behavioral health, executive leadership, and strategy, John understands the distance between policy and the realities of care. Trained in clinical forensic psychology, he has supported people navigating psychiatric crises, substance use disorders (SUD), serious mental illness (SMI), housing instability, and justice-system involvement. His expertise includes Medicaid 1115 and 1915(b) waivers, integrated behavioral health, and cross-sector partnerships. He advises state agencies, federally qualified health centers, and community organizations on regulatory alignment, clinical workflows, reimbursement, and sustainable care models. John’s work has impacted hundreds of thousands of individuals and families, including housing initiatives that connected thousands of families to stable homes. He helps turn complex policy into practical systems that expand access, strengthen care coordination, and honor human dignity.

Alexis Taylor, MPA, MSL, is the Founder and CEO of Taylor & Payne, a healthcare consultancy operating at the intersection of lived experience, health policy, and delivery systems design. A breast cancer survivor diagnosed while pregnant at age 24, Alexis also understands the devastating consequences of substance use disorders, having lost her mother to addiction. These experiences inform her deep commitment to advancing person-centered, clinically effective healthcare systems. Alexis advises state agencies, managed care organizations, and providers on federal Medicaid policy, 1115 and 1915(b) waiver implementation, behavioral health financing, regulatory compliance, participatory governance, and impact strategy. Her work translates complex policy into actionable financing structures, operational strategies, cross-sector partnerships, and sustainable care models. Holding a Master of Studies in Law from USC Gould School of Law and a Master of Public Administration, Alexis bridges legal, policy, and operational expertise.