Michael-Lynn Evans

Executive Director/Government Affairs Consultant

Michael-Lynn Evans brings more than 13 years of experience representing CEAO before the Ohio General Assembly and state agencies, along with an established record of leadership in transportation policy, legislative advocacy, and strategic government relations. As a government affairs consultant with AP Consulting, LLC, Evans has worked alongside Ohio's county engineers to advance policies that strengthen local infrastructure, protect public safety, and support economic growth across the state.

Evans will oversee the association's daily operations, legislative and regulatory priorities, member services, professional development programs, and statewide partnerships. She will also work closely with the Ohio Department of Transportation (ODOT), state policymakers, and local government leaders to ensure county engineers have a strong and effective voice in decisions shaping Ohio's transportation future.

Andrew Kelly

Program Manager

Andrew joined CEAO in October 2024 as the County Surface Transportation Program (CSTP) and Local Bridge Replacement and Rehabilitation (LBR) Program Manager. Andrew's primary responsibility is to work with the CSTP/LBR Committee and ODOT to administer the CSTP and LBR programs. This includes ensuring that projects are selected in accordance with program criteria, that projects are delivered according to schedule, and that the programs remain fiscally balanced.

Andrew began his career working in athletics with a B.S. in Sports Management, with Minors in Business and Philosophy, and with a M.A. in Athletic Administration from Shawnee State University and Concordia University Irvine, respectively. After spending years working in athletics, he shifted his focus to finance management and began a career in financial crimes analysis and underwriting. With a culmination of a decade in operations and program management and financial analysis work, Andrew brings a unique skillset and perspective to effectively run the CSTP/HSIP and LBR programs. When he is not in the office, he is spending time with his wife and two sons.

Karen Miller

Office Assistant

Karen started at CEAO in September 2025 as an Office Assistant, where she supports the Events Manager with coordinating conferences and meetings. Before joining CEAO, Karen retired from the Department of Rehabilitation and Corrections after a 30-year career in Human Resources. Following retirement, she continued her passion for helping others by working in special education with Gahanna Schools. A graduate of Otterbein College, Karen brings strong organizational skills and a warm collaborative approach to every role she takes on. Outside of work, she enjoys reading, hiking, yoga, traveling and spending time with her family.

Benjamin A. Sigall

Legal Counsel

Benjamin A. Sigall, Esq., Sigall.Law

Ben brings more than a decade of wide-ranging experience at large, regional firms and as a prosecuting attorney for numerous entities, including the Ohio Attorney General’s Office. His practice focuses on defending businesses in complex civil and class action litigation, primarily related to consumer protection and privacy concerns. 

Mark Zimmerman, P.E., P.S.

Bridge QA/QC Consulting Engineer

Michael T. Evans

Legislative Consultant

Michael T. Evans, President of AP Consulting, is the contract lobbyist for CEAO.  With 8+ years of lobbying experience in advocating and advising trade associations and elected officials with interests at the local, state and federal government levels, Michael has extensive knowledge of both issue and candidate campaign strategy. Her education includes a M.B.A – Specialization in Project Management from Ashland University, Post Graduate Degree – Certified Paralegal from Capital University Law School, and a B.S. in Communication from Ohio University.