Mark Nickel

Cross Sector Consulting, LLP

2558 Whitney Avenue, Suite 205, Hamden, CT 06518 | (203) 772-2050 | Nickel@xsector.com
Works in: Connecticut, Maine, Massachusetts, New Hampshire, New York, Rhode Island, Vermont

Last updated:
Monday, Jan 12, 2026

Our client and project engagements vary widely in scope and duration. Our projects often involve advancing public-private partnerships, addressing complex organizational challenges that may involve organizational development / leadership, strategic planning, program design and evaluation, continuous quality improvement and innovation, resource development and sustainability, and strategic communications. We work in areas that include workforce development, public health, education, social and human services, and economic development, among others.

Areas of Expertise:

Board assessment, structure, training, performance

Organizational evaluation

Contract management / bidding process

Meeting facilitation, Strategic planning, Business / financial models, Business plan development, Collaborations and mergers

Deep expertise in these issue areas: Economic Development, Workforce Training and Development, Public Health, Substance Abuse / Prevention

Past Clients:

  • Organization: MassMEP
    Name: Kathie Mahoney
    Description of services provided: Organizational Development; Strategic Planning; Program Design & Evaluation; Resource Development; Strategic Communications
    Year services provided: 12
    Contact Info: (058) 523-5498 | kathiem@massmep.org
  • Organization: RWJBarnabas Health
    Name: Lourdes Valdes
    Description of services provided: Planning, project management, evaluation, resource development
    Year services provided: 7
    Contact Info: (973) 322-4710 | lourdes.valdes@rwjbh.org
  • Organization: Connecticut Department of Public Health
    Name: Marianne Buchelli
    Description of services provided: Strategic Planning; Implementation Support for Statewide Planning Group; Data Collection and Analysis; Strategic Communications
    Year services provided: 25
    Contact Info: | marianne.buchelli@ct.gov
  • Organization: German American Chamber of Commerce (Pittsburgh)
    Name: Rachel Mauer
    Description of services provided: Strategic Planning, Resource Development & Sustainabilty; Strategic Communications
    Year services provided: 7
    Contact Info: (412) 330-1273 | rmauer@gaccpit.com
  • Organization: Connecticut Department of Mental Health and Addiction Services
    Name: Angela Duhaime
    Description of services provided: Strategic Planning, Workforce Development and Capacity Building, Data Collection and Analysis, Strategic Communications
    Year services provided: 15
    Contact Info: | agnela.duhaime@ct.gov
  • Organization: NJMEP / NJEDA
    Name: John Kennedy
    Description of services provided: Strategic Planning, Research and Analytics, Partnership Development, Resource Development
    Year services provided: 12
    Contact Info: | eagle70@optonline.net


Training & Workshops:

Please note that we do not endorse any consultant listed in this directory. We strongly advise you to check references before hiring a consultant.