The Climate Trust | Speaker's Bureau

Speaker's Bureau

Expert Speakers

The Climate Trust staff engage in a wide variety of speaking engagements. From our broadly knowledgeable executive leaders to experts in the fields of forestry, grassland conservation, livestock digesters, climate change, carbon markets, and conservation finance. The Climate Trust can provide keynote speakers for events or experts for small format presentations to companies or government entities.

To book a speaker, directly contact one of our Featured Speakers below or email

Featured Speakers

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  • Kristen Kleiman, Chief Investment Officer

    Kristen joined The Climate Trust team in September 2016 to lead their new carbon investment fund venture.

    Kristen Kleiman is an institutional investment expert with over 25 years’ experience. She specializes in natural resource investment portfolio management with particular expertise in the negotiation, structuring, analysis and management of international timberland acquisitions and dispositions. Kristen’s background includes her tenure as a member of the Board of Directors of East Africa’s largest forestry company and as a central participant in investment decision-making for two leading timberland investment management firms.

    Prior to her time at The Climate Trust, she was a senior team member at FourWinds Capital Management, and formerly worked for Hancock Timber Resource Group.

    Kristen is available to speak on a variety of topics including natural resource private equity investments and timberland investment strategies.

    Kristen has a Master of Forestry Ecology from the University of Michigan, and a Bachelors in Finance and Investments from Babson College.

    Get in touch with Kristen to make a request

  • Sheldon Zakreski, Chief Operations Officer


    Sheldon Zakreski is The Climate Trust’s Chief Operations Officer and has been with The Trust since 2008.

    Sheldon is responsible for managing The Climate Trust’s operations, finances, Board, public policy, carbon credit acquisition programs and its carbon credit project portfolio. Nearly 15 of his 20 years of professional experience has been concentrated in carbon markets and policy.

    Sheldon began his carbon market career in 1998 tracking U.S. policy for the Japanese government. He also worked for Trexler Climate & Energy Services where he specialized in international carbon price forecasts and market design.

    Sheldon presents regularly on topics including offset project development and management, carbon market trends, and carbon pricing policy.

    Sheldon has a M.A. in economics where he wrote his graduate thesis on cap and trade program design in 1995.

    Get in touch with Sheldon to make a request

  • Julius Pasay, Forest and Grassland Asset Manager

    Julius Pasay joined The Climate Trust in 2017 as the Trust’s Forestry Analyst. Julius works on the technical aspects of forestry and grassland carbon offset project development with landowners and land managers throughout the United States.

    Prior to his work at The Climate Trust, Julius was the Forest Manager for the Yale Forests and a U.S. Fulbright scholar investigating climate-smart agroforestry techniques in France.

    Julius holds a M.F. from the Yale School of Forestry and Environmental Studies and a B.A. from Wesleyan University.

    Get in touch with Julius to make a request


The Climate Trust has shared their expertise at foremost industry events such as Navigating the American Carbon World (NACW), Argus California Carbon Summit, Carbon Forum North America, C-AGG, Who Will Own the Forests, Passive House Northwest, The Climate Leadership Conference, BioCycle, and Energy, Utility & Environment Conference (EUEC).


On the Road

We’re attending these events. Get in touch with our team and schedule a meeting.

Sacramento, CA, Mar 6-8, 2018
Meet with Julius Pasay

San Francisco, CA, April 4-6, 2018
Meet with Sheldon Zakreski, or Peter Weisberg

Boston, MA, April 24-26, 2018
Meet with Kristen Kleiman

Minneapolis, MN, April 25-26, 2018
Meet with Peter Weisberg

Chicago, IL, May 14-16, 2018
Meet with Kristen Kleiman, or Peter Weisberg