Board of Directors and staff

Dan Tretow
Board President


Dan has worked with Seventh Generation and its predecessors since the mid 1980s. His longest standing work in CRI involves members’ dialogue with a Wisconsin corporation on human rights, executive pay and supply chain sustainability. He is the Director of Financial Services in the International Office,  School Sisters of St. Francis.

Peg Groth
Board Secretary


Peg is the President of the Sisters of the Sorrowful Mother International Finance, Inc.  During her 25+ years of service with the Sisters, she has worked in a number of international finance and social justice issues.  Peg and the Sisters have particular interests in eradicating human trafficking and the production of palm oil at the expense of other environmental factors.


Sr. Sue Ernster, F.S.P.A.
Board Treasurer

sue ernster

Sr. Sue is the Treasurer and Chief Financial Officer  of the Franciscan Sisters of Perpetual Adoration (La Crosse, Wisc.).  She has a long history in shareholder advocacy, with particular interests in palm oil, carbon emission, and executive compensation resolutions.

Sr. Ruth Geraets, P.B.V.M.
Board Member


Sr. Ruth is the Treasurer of the Sisters of the Presentation of the Blessed Virgin Mary (Aberdeen, S. Dak.).  She has served her community in educational apostolates, formation ministry, pastoral care, and several roles in administration.  Her community has a particular interest in greenhouse gas reductions.

Mark Peters
Board Member, Chair of the Development Committee


Mark is the Director of Justice, Peace, and Reconciliation, Priests of the Sacred Heart (Hales Corners, Wisc.).  Besides his service in justice and peace ministry, he was a parish minister for 18 years and diocesan administrator for ten, with much service in interfaith ministries.

Ann Roberts
Board Member

Ann joined Dana Investment Advisors in 2015 as an ESG analyst, having performed ESG research for the company on a project basis since 2005.

Frank Sherman
Executive Director


After a 35 year career, Frank retired from an executive position with a Global Fortune 500 company to join Seventh Generation Interfaith. He also serves as a board member of the Interfaith Center for Corporate Responsibility. Frank gives back to the local community as a certified mentor for SCORE and is on the adjunct faculty of Cardinal Stritch University (Milwaukee, Wisc.).”

Christopher Cox
Associate Director


Before taking on the role of associate director, Chris led the Human Thread Campaign, a program of Seventh Generation Interfaith and Catholic effort to raise awareness, direct action, and build solidarity with garment workers. Previously, he served in multicultural and low income communities in the U.S. and Latin America.