Tim Midkiff promoted to Chief Financial and Operations Officer and Theresa Agonia promoted to Chief of Staff   TAMPA, FL (September 4, 2025 ) – Big Brothers Big Sisters of America (BBBSA), the nation’s leading youth mentoring organization, announces two senior leadership roles to its executive team. Tim Midkiff has been promoted to Chief Financial and Operations Officer (CFOO), and Theresa Agonia has been promoted to Chief of Staff. Both leaders will continue working directly with President and CEO, Artis Stevens, to drive enterprise-wide alignment, strategic execution, and organizational impact.  The leadership transitions reflect BBBSA’s commitment to building transformational capacity as the organization advances its mission to create and support one-to-one mentoring relationships that ignite the power and promise of youth.  Tim Midkiff: Chief Financial and Operations Officer   In his expanded role as CFOO, Midkiff will provide strategic direction for BBBSA’s overall…