Clark John K.

John K. (Jack) Clark

Executive Director


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With over 20 years’ experience in government workforce development systems and sector development work, Jack brings deep expertise in the areas of worker training and career ladders.  A Ford Foundation/Kennedy School of Government Award for Innovations in State and Local Government winner, prior to joining the ITLC, Jack served as Deputy Director in the Mayor’s Office of Jobs and Community Services in Boston, MA.

Wang Xinge

Xinge Wang

Deputy Director


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Xinge Wang is the Deputy Director of the International Transportation Learning Center and one of this country’s leading experts on workforce demand, training capacity, and future projections of workforce needs.  In 2015, Ms. Wang led the joint research effort of US Department of Transportation, Education and Labor to identify the future workforce needs to strengthen skills training and career pathways of the transportation industry. She has been the key researcher and co-author on many projects funded by US DOT and the Transit Cooperative Research Program (TCRP) focusing on transit workforce development. She has also managed the National Training Consortiums for Rail Car, Signals, Elevator/Escalator, and Traction Power Maintenance, developing standards-based training curriculum for frontline technicians. Under the DOL Transit Apprenticeship Initiative, she works with transit agencies and their local unions on developing and implementing apprenticeship programs for transit operations and maintenance occupations. 

Waller Liz

Liz Waller

Director of Finance


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Liz has extensive experience managing federal grants and an in-depth knowledge of the Uniform Guidance and other federal administrative/fiscal requirements developed through her 30 years of experience in the public accounting and non-profit sectors.  Liz has a bachelor’s degree in accounting from Virginia Commonwealth University. Liz joined the ITLC in 2008.

Beard Maurice

Maurice Beard

Senior Workforce Development Advisor


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Maurice Beard brings a transportation career spanning over three decades to ITLC. Starting as a bus operator at Valley Transportation Authority (VTA) in San Jose, California, Maurice moved into positions as Line Instructor, Transportation Supervisor, and then full-time Technical Trainer, overseeing new operator classes and working to support VTA’s Joint Workforce Investment (JWI), VTA’s peer-to-peer mentor program.  For his last decade at VTA, Maurice served as Technical Training Supervisor, where he and his team kept VTA's operators updated with the latest industry knowledge and training techniques. Maurice's expertise as a consultant has supported a number of industry stakeholders in a range of critical areas, including the establishment of mentoring and apprenticeship programs.

Expertise: Bus Operations, Apprenticeship and mentoring, ZEB Operations Training

Boneva Michaela

Michaela Boneva

Research Assistant


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Michaela joined ITLC in May of 2023. She holds a Bachelor of Arts in English and Political Science from Northeastern University. She has previous transportation experience from interning on the communications teams at the Massachusetts Department of Transportation and the Eno Center for Transportation. At ITLC, Michaela supports research projects including the Resource Center, Data Dashboard, case study development, and blog posts.

Carmody Annmarie

Annmarie Carmody

Senior Communications Associate


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Annmarie Carmody joined ITLC/TWC as Senior Communications Associate in 2022. As a public school English and writing instructor for over a decade, she designed curriculum, taught in in-person, online, and hybrid environments, managed varied learning management systems, and helped support diversity, equity, and inclusion initiatives.  She has also taught writing as a community college adjunct faculty member, served as a theater director, producing plays and videos, and worked as a freelance writer for various newspapers and magazines. She holds a Master’s in English and a Master’s in Education from the State University of New York at New Paltz, and a Bachelor’s in Communication from the University of Hartford.

Expertise: Communications, Education, Curriculum Design

Deibel-Pundt Julie

Julie Deibel-Pundt

Program Director, Instructional Design


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Julie has over a decade experience in instructional systems design, in which she holds a master’s level certificate.  She also has a Master’s in urban planning and Bachelor’s degree in Human Geography.  She’s been employed at non-profits for all of her professional career and was driven to join the ITLC in 2008 because of her passion around equity and the role mobility plays.  

Gleason Shayna

Shayna Gleason

Research Associate


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Shayna Gleason joined the TWC as a Research Associate in 2022. She holds a Master's degree in Gerontology from the University of Massachusetts, Boston, where she is now a doctoral candidate, and holds a BA in Sociology/Anthropology from Carleton College. At UMass Boston, Shayna worked with the Center for Social and Demographic Research on Aging, where she helped design and implement a program evaluation for a remote employment training program targeting older workers. Before graduate school, Shayna served as Coordinator of Age-Friendly Greater Pittsburgh, part of the World Health Organization's international initiative to create inclusive and accessible communities for all ages. Shayna also worked with the Pittsburgh-area paratransit service, ACCESS Transportation Systems, as a community engagement liaison and software trainer.

Greenfield Patricia

Patricia Greenfield

Senior Director for Workforce Education


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Pat has over three decades of experience in labor, management, legal, and workforce education, much of it at the University of Massachusetts Amherst.  At the International Transportation Learning Center, she helps develop and support career pathways into frontline positions in transportation, focusing on pre-apprenticeship transit training partnerships--with high schools, workforce development programs, transportation agencies, unions, and colleges—that create career, credential, and degree opportunities, especially for youth in the communities transit serves.  She has a Ph.D. in Industrial and Labor Relations from Cornell University, a J.D. from the Washington University School of Law, and a B.A. in Political Science from the University of Rochester. 

Holdzkom Karitsa

Karitsa Holdzkom

Senior Policy Analyst


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Karitsa has a background in community and urban planning along with housing and transportation research.  She received her Master’s in Community Planning from the University of Maryland, College Park and her BA in Political Science from the University of Maryland Baltimore County.  Karitsa’s work focuses on ITLC’s participation in the American Apprenticeship Initiative. She also has contributed to ITLC’s research projects, including several TCRP reports.

Joyner Amri

Amri Joyner

Program Manager, Technical Assistance and Training


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Amri has been with the Center since 2011 and helps design learning for transit maintenance occupations in elevator-escalator, signals, railcar, and traction power. Prior to joining the Center, Amri’s career included urban planning, and designing and delivering training in information technology, union organizing, and leadership development.

Liu Brandon

Brandon Liu

Instructional Designer


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Brandon holds a Master’s in Adult Education and Human Resource Development from James Madison University, and obtained a Bachelors degree in Psychology. His background includes instructional design and organizational development, supplemented with elements of educational technology, E-learning, multimedia development, graphic design and visual literacy. Brandon has been with the ITLC since 2019 and serves as one of the instructional designers for the Traction Power Consortium.

Nevins Douglas

Douglas Nevins



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Doug joined the Center as a Researcher in 2022. He holds a Masters of Public Policy, Masters of Business Administration, and a BA in English, all from Brandeis University. At ITLC he supports the new Transit Workforce Center, including collecting and documenting best practices and working with transit workforce data. He previously worked for almost a decade in higher education, focusing on international student recruitment and enrollment management. 

Schiavone John J.

John J. Schiavone

Program Director


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John Schiavone has been involved with transit bus maintenance and technology for nearly 40 years.  He served on the APTA staff, authored several Transportation Research Board studies, and is now working with the International Transportation Learning Center to advance front-line worker training and apprenticeships.

Smith Sudan

Sudan Smith

Communications Associate


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Sudan Smith joined our Communications Team in 2023, bringing her expertise and experience in marketing, content creation, social media management, platforms, and strategies gained in her studies and through her private and public sector work. She earned her associate degree in communications with honors from Montgomery College and her bachelor's in communications with a public relations concentration with honors from Bowie State University.

Expertise: Communications, Social Media 

Stephen David J.

David J. Stephen

Communications Manager


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David brings to the ITLC expertise established through almost two decades of experience in labor, transit, legislative, and communications work at local, regional, and national levels. Underlying that expertise is his commitment to helping to improve the lives of working people. At ITLC, David leads communications and the development of creative and innovative ways to amplify the center’s commitment to transportation that helps improve the lives of working people. David has a B.A. in political science from Morehouse College and a J.D. from the University of Detroit Mercy School of Law.

Williams Joyce E.

Joyce E. Williams

Office Manager


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In addition to performing typical office management functions, Joyce coordinates travel and logistics for the ITLC’s national committees. She joined ITLC after serving as Office Manager at the Trust for Public Land.

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