S. Patricia Griffith, LMSW, D.Min.

Executive Director, Mercy Haven, Inc.

Since 1973, Sister Patricia Griffith has been honored to work with the poor of Long Island. In 1985, she and Sister Kathleen Nolan founded Mercy Haven, Inc. where Sister Pat continues to serve as the Executive Director. Mercy Haven was begun by a small number of concerned citizens who, with Sister Pat’s leadership, responded compassionately and aggressively to the need for clean, decent and affordable housing for persons living with mental illness.


Sister Pat has been a member of many local and national nonprofit boards. She served for seven years as President and Past President of the Board of Directors of the NYS Association for Community Living as well as Regional Director for Nassau & Suffolk Counties for three years. She served on McAuley Institute’s national board for six years and was part of a national think tank to help evaluate the needs of non-profits in New Orleans after Hurricane Katrina. She presently serves on the Social Justice Advisory Board of Stony Brook University. Sister Pat is a member of the Long Island Association, the Nassau-Suffolk Coalition for the Homeless and the National Association of Social Workers.


Because of her dedication to advocating for the poor, homeless, and those living with mental illness, Sister Pat has been the recipient of numerous recognition awards from a variety of groups including the Suffolk Action Coalition, the Town of Islip, the Suffolk County Community Council and the Zonta Club of Suffolk County. In 1999, she was honored by the Nassau County Chapter of the Red Cross with the Peter Von Berg Humanitarian Award. S. Pat has been recognized by Distinction Magazine as one of 2005’s Ten Women of Distinction. She was named in Long Island Business News’ Top 50 Most Influential Women in Business in 2005 and Long Island Business News’ “Who’s Who of Senior Living” in 2006. She received the Lawrence P. Timpa Award for Professional Service from the Suffolk County Human Rights Commission and in 2008 Sister Pat was inducted into the Suffolk County Women’s Hall of Fame.


For the past 47 years, Sister Pat has been a member of the Sisters of Mercy of the Americas. She earned a Bachelor Degree from Brentwood College, a Masters degree in Education from Fordham University, and Masters in Social Work from Adelphi University. She holds three Post Graduate Certificates in Moral Theology, Gerontology and Non Profit Management and most recently graduated with a Doctorate of Ministry.

For Sister Pat, her biggest accomplishment is the creative response Mercy Haven continues to make by assisting community members in need of advocacy, housing, and support services. She is proud to work with a staff comprised of generous professionals who know their life choice has changed the lives of so many.

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