David Mayhan

OE Consulting

PO Box 73, Middle Haddam, CT 06456 | (757) 777-7828 | david.mayhan@oeconsulting.com
Works in: Connecticut, Massachusetts, New York, Rhode Island

Last updated:
Thursday, Jun 13, 2024

OE Consulting is an Organizational Effectiveness consultancy that helps purpose-driven organizations and philanthropies ensure that their strategy, structure, and talent are optimized and working in harmony, accelerating their positive social and environmental impact. We take a holistic approach to understanding your objectives, pain-points, ecosystem, and team, and provide the experience and support you need to strengthen all facets of your organization: redesigning structure and culture, developing practical strategic plans, identifying exceptional executive talent, and operationalizing new practices and processes—all with the goal of more effectively and efficiently achieving your mission. OE Consulting is proud to use business as a force for good and is a certified B Corporation.

Areas of Expertise:

Board assessment, structure, training, performance

Evaluation training, Organizational evaluation, Program evaluation

Executive search, Succession / transition planning

Job descriptions, Leadership training and development

Organizational development, Business plan development, Meeting facilitation, Strategic planning

Past Clients:

  • Organization: Charles Stewart Mott Foundation
    Description of services provided: Evaluation
    Year services provided: 2016-2024
  • Organization: Namchak Foundaton
    Description of services provided: Executive Search
    Year services provided: 2019-2024
  • Organization: Sierra Club Foundation
    Description of services provided: Strategic Planning
    Year services provided: 2019
  • Organization: The Outdoor Foundation
    Description of services provided: Strategic Planning
    Year services provided: 2017
  • Organization: Lemelson Foundation
    Description of services provided: Professional Search
    Year services provided: 2022-2024
  • Organization: Toigo Foundation
    Description of services provided: Evaluation
    Year services provided: 2020-2021
  • Organization: Kenneth Rainin Foundation
    Description of services provided: Strategy, Organizational Design, Executive Search
    Year services provided: 2017-2019
  • Organization: Community Foundation Sonoma County
    Description of services provided: Executive Search
    Year services provided: 2019-2020
  • Organization: LightEn Foundation
    Description of services provided: Executive and Professional Search
    Year services provided: 2024
  • Organization: Goodwill, San Francisco
    Description of services provided: Strategic Planning
    Year services provided: 2015
  • Organization: Habitat for Humanity, San Francisco
    Description of services provided: Fundraising Support
    Year services provided: 2015
  • Organization: Habitat for Humanity, Wake County NC
    Description of services provided: Board Development
    Year services provided: 2015
  • Organization: UNICEF
    Description of services provided: Systems Design
    Year services provided: 2014
  • Organization: World Resources Institute
    Description of services provided: Governance, Strategy
    Year services provided: 2016,2017,2020
  • Organization: Leukemia and Lymphoma Society
    Description of services provided: Executive Search
    Year services provided: 2018-2019
  • Organization: Ronald McDonald House of San Francisco
    Description of services provided: Executive Search, Merger Facilitation
    Year services provided: 2014,2017
  • Organization: 826 Valencia
    Description of services provided: Strategic Planning
    Year services provided: 2015
  • Organization: Net Impact
    Description of services provided: Executive Search
    Year services provided: 2015
  • Organization: Sobrato Philanthropies
    Description of services provided: Executive Search
    Year services provided: 2021
  • Organization: Vision Spring
    Description of services provided: Executive Search, International Development
    Year services provided: 2020
  • Organization: Living Goods
    Description of services provided: Executive Search, International Development
    Year services provided: 2015-2020
  • Organization: myAgro
    Description of services provided: Executive Search, International Development
    Year services provided: 2020-2022
  • Organization: One Heart Worldwide
    Description of services provided: Executive Search, International Development
    Year services provided: 2020
  • Organization: Sustainable Apparel Coalition (SAC)
    Description of services provided: Executive Search, Strategic Planning, Board Development
    Year services provided: 2014-2021
  • Organization: RSF Social Finance
    Description of services provided: Executive Search
    Year services provided: 2017-2019, 2021
  • Organization: Veris Wealth Partners
    Description of services provided: Executive Search
    Year services provided: 2020
  • Organization: New Island Capital Management
    Description of services provided: Executive Search
    Year services provided: 2019-2021
  • Organization: Tidewater Capital
    Description of services provided: Professional Search
    Year services provided: 2016
  • Organization: Children's Council of San Francisco
    Description of services provided: Executive Search, Strategic Planning
    Year services provided: 2019-2021
  • Organization: All Stars Helping Kids
    Description of services provided: Executive Search
    Year services provided: 2019
  • Organization: Oakland Museum of California
    Description of services provided: Executive Search
    Year services provided: 2017-2018
  • Organization: Yerba Buena Center for the Arts (YBCA)
    Description of services provided: Executive Search
    Year services provided: 2014, 2016, 2018-2021
  • Organization: Corporation for Supportive Housing
    Description of services provided: Strategic Planning
    Year services provided: 2017-2018
  • Organization: Becoming Independent
    Description of services provided: Strategic Planning, Business Planning
    Year services provided: 2018
  • Organization: JCC East Bay
    Description of services provided: Executive Search
    Year services provided: 2019
  • Organization: San Francisco Unified School District
    Description of services provided: Executive Search
    Year services provided: 2017, 2024
  • Organization: Center for Independent Living
    Description of services provided: Executive Search
    Year services provided: 2023-2024
  • Organization: Grounded Capital
    Description of services provided: Executive Search
    Year services provided: 2023
  • Organization: Mind & Life Institute
    Description of services provided: Strategy, Organizational Design, Executive Search
    Year services provided: 2023-2024
  • Organization: Waldorf School of the Peninsula
    Description of services provided: Executive Search
    Year services provided: 2022-2023
  • Organization: University of Virginia, Contemplative Sciences Center
    Description of services provided: Strategy, Organizational Design, Executive Search
    Year services provided: 2023-2024
  • Organization: University of Colorado, Renée Crown Wellness Institute
    Description of services provided: Strategic Planning
    Year services provided: 2023-2024
  • Organization: City Ventures
    Description of services provided: Feasibility Study, Community Facilitation
    Year services provided: 2024
  • Organization: Custom Collaborative
    Description of services provided: Strategic Planning
    Year services provided: 2024


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.