Consultant Q&A: AECOM’s Librera Discusses Mobility, Global Trends
AECOM Appoints New Leadership
Mark Southwell will serve as chief executive of AECOM's Transportation global business line

A civil engineer with over 35 years of experience, Mark Southwell joined AECOM in 2019 as the managing director of Transportation for AECOM’s Europe region and later served as the Transportation Business Line Leader for the Europe and India region.
Photo: AECOM
AECOM announced that it has appointed Mark Southwell as chief executive of its Transportation global business line.
In this role, Southwell leads AECOM’s global Transportation design business.
“At this critical moment with unprecedented global investment in transportation infrastructure, I am excited to confirm Mark’s appointment as chief executive of our Transportation global business line,” said Troy Rudd, CEO of AECOM. “Leveraging our top-ranked position in this market, we are poised under Mark’s leadership to continue attracting the industry’s best technical experts to AECOM and capitalize on tremendous long-term growth opportunities.”
A Look at Mark Southwell's Career
A civil engineer with over 35 years of experience, Southwell joined AECOM in 2019 as the managing director of Transportation for AECOM’s Europe region and later served as the Transportation Business Line Leader for the Europe and India region.
His experience also includes leading Signalling Renewals for the Network Rail National Programme in the UK along with executive positions at multinational engineering and design firms.
He holds a master of Science in Project Management from Reading University and a Bachelor of Science in Civil Engineering from University College Swansea. Additionally, he is a member of the Association of Project Management and a chartered member of the Institution of Civil Engineers.
Southwell most recently served as the interim chief executive of AECOM’s Transportation global business line and his permanent appointment is effective immediately.
More Management

METRO Opens Submissions for 2026 Motorcoach Awards
Nominations are now being accepted for METRO Magazine’s Operator of the Year and Innovative Operator of the Year awards.
Read More →
New York MTA Advances Final Contract for Second Avenue Subway Expansion
Contract Four is the largest in the Second Avenue Subway Phase 2 project and includes construction of station infrastructure, tracks, and signals for the subway expansion, MTA officials said. Work on Contract Four will begin in 2027.
Read More →
Transit Agencies Highlight Safety Gains at National Summit
Leaders from 15 major transit systems shared crime-reduction results and safety initiatives while discussing the role of continued federal support.
Read More →
NITA Names New Leadership, Expands Reduced-Fare Program at First Board Meeting
The new regional transit authority appointed its first board chair and interim executive director while extending reduced fares across CTA, Metra, and Pace for eligible riders.
Read More →
Beyond the Checklist: A Structured Approach to Transit Maintenance
Reliability-Centered Maintenance helps transit agencies move beyond routine checklists to focus limited resources on the assets and failures that have the greatest impact on safety, reliability, and service.
Read More →
APTA 2026 Nominating Committee Selects Leadership Slate, Names Chair and Vice Chair Nominees
Leadership changes will help shape the association’s priorities and its representation of the transportation industry during the 2026–2027 term.
Read More →
DART Launches Major Security, Fare Enforcement Initiative
The 90-day demonstration will deploy coordinated security teams at five light rail stations while testing controlled access and gathering data to guide future investments.
Read More →Advancing Fare Collection Through Technology and Innovation
Learn about delivering 1300 gates at 91 stations while managing fare evasion. Explore the large scale deployment, solution customization and real-world results that affect the region. Prepare for deployment in your region now.
Read More →
Game Day in Motion: Moving Millions During the 2026 World Cup
Between packed transit stations and team motorcoaches, see how agencies and operators across North America tackled the transportation demands of the 2026 FIFA World Cup.
Read More →
Surface Transportation Extension Averts Shutdown, Leaves Transit Funding Gap
The stopgap keeps federal transportation programs moving, but missing advance funding could complicate the transit and rail projects agencies are planning next.
Read More →
