Who We Are

Allison Simmons
TDM & TMA Formation Expert with 26 Years’ Experience

Allison Simmons is a principal and co-founder of NorthEase Consulting Group.  She is also the founder of Ease Consult, a consulting firm based in Boston.  Ms. Simmons specializes in sustainable transportation services for non-profits, companies, and municipalities. She has been in the Transportation Demand Management (TDM) industry since 1994. With a background in marketing and communications she specializes in creating innovative programs and campaigns to create behavior change.

Over the past twenty years Ms. Simmons has worked for several Boston TMAs including MASCO’s Commute Works which serves the Longwood Medical Area and A Better City TMA.  Ms. Simmons was the founding director of the Artery Business Committee TMA (now A Better City), the largest TMA in the Commonwealth formed as a mitigation measure for Boston’s Big Dig.  Ms. Simmons is a national expert on TMA formation as has launched three TMAs in Massachusetts (Allston Brighton, Watertown and Assembly Connect) and one in Memphis, TN.

Clients have included A Better City, Assembly Connect, the City of Boston, the City of Everett, Seaport TMA, Allston Brighton TMA, Watertown TMA, Merrimack Valley TMA, Charles River TMA, Partners Healthcare, Memphis Medical District Collaborative and Boston University Medical Center.   

In addition to her work, Allison is actively involved with local and national organizations including the Association for Commuter Transportation.  In 2019 she was appointed as President of the National Center for TDM, which seeks to shape and advance transportation demand management to improve our nation’s mobility. She loves to travel and is a proud mother of two.

Patrick Sullivan
NorthEase Consulting Group, Principal

Pat Sullivan is a principal at NorthEase Consulting Group, where he draws on his experience as a transportation planner and nonprofit executive to design and implement programs that enhance regional connectivity and strengthen economic competitiveness. He specializes in transportation planning, policy development, and the management of Transportation Management Associations (TMAs).

He also serves as Executive Director of the Seaport TMA, overseeing commuter programs and advocating for transportation investments that improve access and mobility for those who work, live, and visit Boston’s South Boston Waterfront.

Pat has dedicated his career to advancing sustainable, multimodal transportation solutions. He was recognized by the Association for Commuter Transportation (ACT) as one of its national “40 Under 40” honorees, is a graduate of the ACT Leadership Academy, and participated in the 2016 Transportation for America (T4A) Leadership Academy—a year-long professional development program for transportation leaders.

His professional interests include expanding commuter ferry services and developing corporate relocation and mobility strategies. Pat holds a Master’s in City and Regional Planning from Boston University and a Bachelor of Arts in History from the University of Vermont.

Our Team

Traci Laichter
Assistant Director

Traci Laichter is the Assistant Director of the Seaport TMA, where she manages commuter programs and marketing and advocates for improved access to the Seaport with municipal and state agencies. Traci manages Seaport TMA’s award-winning Bike Seaport series and Water Transit Month. Ask her about ferries or where to get the best bagels in town.

Traci has a background in non-profit communications and graphic design, and she is passionate about sustainability and accessibility. She holds a Bachelors of Arts in Ethnomusicology from Hampshire College.

Stephanie Le
Assistant Director

Stephanie Le is a Somerville native and a graduate of the University of Massachusetts Dartmouth with a degree in Marketing. During her time in college she had the opportunity to study abroad in Germany, as well as participate in the Disney College Internship Program. She has over 10 years in the Customer Service Field and has worked in the Transportation Demand Management industry since 2016. She started her journey in TDM while working for TranSComm TMA at Boston University Medical Campus. Stephanie has joined Assembly Connect under NorthEase Consulting Group as the Assistant Director for Assembly Square.

Kelsey Derouen
Marketing and Program Manager

Kelsey Derouen joined NorthEase Consulting Group as Marketing and Program Manager for the Lower Mystic TMA in March 2025. After moving from western Massachusetts to Medford in 2022, Kelsey became more aware of the need for sustainable transportation in both urban and rural communities. Prior to joining Lower Mystic TMA, Kelsey worked with the University of Massachusetts Amherst as a program manager in international education.

Madelyn Langley
Marketing and Program Manager

Madelyn Langley joined the NorthEase Consulting Group team in July 2023 and currently serves as the Marketing and Program Manager for Assembly Connect. Madelyn graduated from Suffolk University with a degree in Marketing. Living in the city, she embraces transit as her primary mode of transportation sparking her interest in TDM. Prior to joining the NorthEase team, Madelyn completed internships with staffing agencies in downtown Boston.