Our Vestry


Our Church thrives because of the energy, skills and background of the people who are a part of our leadership.

Don Ford - Church Warden

 Bio Pending

Alex Antes - Church Warden

Bio Pending


TBD - Treasurer



Kendall Atterbury

Kendall came to St. Mark’s in 2012 when she and her husband (Jason) moved to Mount Kisco. She is a social worker in New York City. Kendall has graduate degrees in Government/Political Philosophy, Theology, and Social Work. She is in the process of finishing her doctoral degree and is an occasional adjunct faculty member at Hunter College, CUNY.  Prior to becoming a social worker, Kendall worked as a coach for several high school and college rowing programs. She also worked at a shipyard in Seattle, WA and for a custom homebuilder in Charlottesville, VA. Kendall and Jason moved to the area from Boston, when Jason became head of the History Department at St. Luke’s School in New Canaan, CT. New to the vestry, Kendall looks forward to learning from and working with longer term members of St. Mark’s to continue to grow its welcoming faith community. 

Grace Gibbons

Grace was elected to the Vestry in 2015; her husband Rob, a lawyer, has also served as a Vestry member. Grace, Rob, and their two daughters, Devon and Kendal, joined St. Mark’s in 2006. Devon, a college student, was confirmed at St. Mark’s in 2008 and Kendal, a middle-schooler, in 2015. Formerly, they were members of the Roman Catholic faith, but were in search of a more open and inclusive Christian church. They immediately felt that sense of community at St. Mark’s. Grace, who has a bachelor’s degree in history and worked for several years in the healthcare industry, began her education in landscape and floral design. She is now co-owner of a floral and landscape design company, GracefullyDone-NY, in Chappaqua. She is an active member of the Flower Guild and volunteers for many different activities at St. Mark’s.


Audrey Insoft

Audrey has been an active member of St. Mark’s since 2001. She served on the hospitality committee for many years and has contributed to a number of programs and activities including the Emergency Shelter Program, Taste of Our Towns, Carpenters Kids, Mt. Kisco food pantry, Christmas gourmet booth and greens, the rummage sale, and ushering. She and her husband, David, have one son, Alexander, who was baptized and confirmed at St. Marks. After working in the insurance industry for 25 years and earning her Master’s degree in adult education and instructional design, Audrey is now a stay-at-home mom and author of a nonfiction book, “Divine Fate.”   She looks forward to using both business and writing skills in her new vestry position.


Ann Natale

Ann and her family have made St. Mark’s their spiritual home since 2001, following their move from Manhattan.  An active social service volunteer, Ann has been involved with the various outreach missions of St. Mark’s over the years.  Her most significant commitment has been to The Mount Kisco Interfaith Food Pantry where, as St. Mark’s representative to the Pantry Board, she has served for more than 14 years, including two years as President, five years as Treasurer, and seven years as grant writer.  Since 2014, she has also been an active member of the Advisory Committee to Episcopal Charities, Diocese of NY.  Ann and her husband Robert live in Chappaqua.  Their son Nick, who attended St. Mark’s Sunday School and sang in the junior choir, now attends college in Virginia.


Bob Niedzwiedz

Bio Pending

Laura Rossi

Bio Pending

Jody Sherman

Bio Pending


Rosemary Valenti

Rosemary Valenti and her family have been members since 2009. She was formerly from a Roman Catholic background but feels the Episcopal Church embraces her ideas of fellowship, is broadly inclusive, and welcoming. Soon after coming to St. Marks she joined The Flower Guild and continues to remain fully committed to that effort while branching into other areas of the church. The Valenti family resides in Chappaqua. Rosemary is married to Marc with two sons Matthew & Christopher. They enjoy contributing to a variety of events, a favorite of Marc's is volunteering each year in the kitchen at the Annual Christmas Dinner. Their son Matthew was a Acolyte for many years prior to college. Both Matthew and Christopher received their Confirmation through Saint Mark's Church. Rosemary and Marc are in the Advertising Sales Business owning their own company in Manhattan for over 20 years, specializing in Out-of-Home Advertising sales placing advertisers within the unique media of: Buses, Billboard, Ferries & Ferry terminals in New York and New Jersey area.


Charlie Williams

 Bio Pending

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