At the national level, Marsha Botzer is currently Co-Chair of the Board of Directors of the National Gay and Lesbian Task Force. In Washington State she serves on the Boards of the Pride Foundation and the Safe Schools Coalition. She is a member of the Pride at Work organization, and founding board member and current Secretary of Equal Rights Washington. She is also a founding member of Seattles Lesbian, Gay, Bisexual and Transgender Community Center.

Marsha currently serves on the Washington State Department of Social and Health Services' Gay, Lesbian, Bisexual and Transgender Advisory Committee, which she chaired from 1999 to 2005.

Marsha attended Antioch University, graduating with a Masters in Psychology degree in 1990, and today she is a member of the Antioch University Board of Visitors. In 1997 Marsha completed the Seattle Chamber of Commerce Leadership Tomorrow Program.

Marsha is the Founder of Seattle's Ingersoll Gender Center, a direct service organization that began as an idea in 1977, and incorporated as a not for profit educational corporation in1984. She continues to serve and support the Center.

In 2003 Marsha received the Greater Seattle Business Association Community Service and Leadership Award, and the Human Rights Campaign Equality Award. In 2004 she received the Virginia Prince Lifetime Achievement Award from the International Federation for Gender Education, and the Horace Mann Victories for Humanity Award from Antioch University. Also in 2004, Marsha was selected as the Grand Marshall for Seattle's Pride weekend and Parade.

Marsha served as Co-Chair of the Seattle Commission for Sexual Minorities in 2001 to 2002. She was a member of the Seattle Womens Commission from 1987 to 1991, serving as vice president during 1991. She has served on the Boards of Lambert House, Seattle Counseling Service, and Equality Washington.