Leadership & Subcommittees

Data Management and Analytics

Mr. Slater is a native Marylander a 1997 graduate of Towson University and a 2007 Graduate of the University of Maryland National Leadership Institute and a member of the Leadership Maryland Class of 2015. He participates on several transportation industry committees and serves as Chair of the American Association of State Highway and Transportation Officials (AASHTO) Transportation Data Management and Analytics Committee. He also is a member of several committees on the National Academy of Sciences Transportation Research Board.

Gregory Slater

Gregory Slater, Secretary of Maryland DOT, MD State Highway Administration – Committee Chair

April Blackburn is the Chief Technology Officer at the Florida Department of Transportation (FDOT). She has been involved in the development of the FDOT’s Technology Strategic Plan, Information Technology/Operational Technology (IT/OT) Alignment, Civil Integrated Management and is the leader of the newly developed Transportation Technology Office. April is a technology leader operating in Florida’s public sector. With over 30 years of experience operating in the IT public sector, April specializes in developing and implementing technology.

April Backburn

April Blackburn, Chief of Transportation Technology,
Florida DOT – Committee Vice-Chair

The Committee on Data Management and Analytics includes the following Subcommittees:

AASHTO Liaison

Penelope Weinberger, Transportation Data Program Manager

Professional Development

Jason Siwula, KY, Co-Chair
Patrick Whiteford, AZ, Co-Chair

Addresses issues of professional development and capacity building


Denise Whitney-Dahlke – Chair

Addresses policy issues regarding data


Chad Baker, CA – Chair

Addresses research needs and issues

Technical Services

Mike Bousliman, MT - Chair

Oversees technical services and programs under the Data Committee such as GOTUG, Gis-T and any others that are developed

Outreach and Coordination

Lou Anne Dougherty, NE - Chair

Maintains relationships with other committees and organizations as pertinent to Committee business

Communicating Data

Vacant – Chair

Addresses communication issues around data, data needs, gaps, research, outreach, and as needs arise


Matt Modarelli, WA - Chair

This subcommittee works jointly with Operations and Resiliency (TSSR) on issues of cybersecurity

Data Portal Login

Important Dates

Continual Updates