Alaina Macia
President & CEO

As the President and CEO of MTM, one of the St. Louis area’s largest woman-owned and privately-held businesses, Alaina is passionate about leading change in the healthcare and transit industries. Her vision for ensuring community services—including healthcare, job access, and social services—are accessible without barriers for all persons, particularly those in need, is what continues to drive MTM forward. Since 2005, she has overseen MTM’s growth from $30 million in annual revenue to $1.75 billion. Today, MTM’s staff of more than 4,000 employees provides more than 33.6 million trips per year in 45 states and the District of Columbia, as well as other related services, such as transportation scheduling software, mobility assessments, and quality assurance.

Equally passionate about making a difference long-term, Alaina is leading the transportation industry to be focused on a sustainable future with a reduction in climate impact. She is actively involved in the St. Louis community as a Trustee for Washington University, the Chair of the Washington University Institute of Public Health National Council, a member of the St. Louis Chapter of YPO (Young Presidents Council), the Chair of the St. Louis Regional Business Council, a member of the MICDS Board of Trustees, a member of the Stupp Bros. Advisory Board, a member of the ISCO Advisory Board, and a member of the Commerce Bank St. Louis Advisory Board. Alaina holds a master’s degree in business administration from Washington University in St. Louis’ Olin School of Business, and her undergraduate degree in Biological Engineering Sciences from the same university.

Alaina has been the recipient of many honors, including being named one of 2012’s Most Influential Businesswomen by the St. Louis Business Journal. She was also named to the publication’s 30 Under 30 class in 2004 and 40 Under 40 class in 2011. In 2014, she was named to Mass Transit Magazine’s 40 Under 40 List and received the Entrepreneur of the Year award in the Midwest Region’s Healthcare Services category by Ernst & Young. In 2018, she was honored to be named to the St. Louis Business Journal’s list of the area’s Technology Executives of the Year, and in 2023, she was named to St. Louis Magazine’s list of Women Who Make St. Louis Great.

Alaina is married to Daniel Maciá. They have two teenage daughters: Arianna and Amara. She is an outdoor enthusiast who enjoys playing golf, participating in triathlons, hiking, and rock climbing in her free time.