Phoenix House

Ms. Singer has served as Senior Vice President of Development, New Business and Public Affairs since February 2007. She joined the Phoenix House Foundation in 1994 as Director of Criminal Justice Planning, was promoted to Vice President, Director of Program Planning and Research in 1995 and Senior Vice President and Director of Program Planning and Operations in February 2000.

Ms. Singer has a B.A. from American University. She also has an M.P.A. from the Kennedy School of Government, Harvard University, where she was selected as the Arthur D. Little Fellow for her commitment to public service. Send an email

Prior to joining Phoenix House, Mr. Diehl was a partner in the national law firm of Nixon Peabody LLP, where he principally represented colleges, universities and other not-for-profit clients. Mr. Diehl first joined the Nixon firm as an associate in 1981 and re-joined the firm in 2001 after having served for several years as chief legal counsel, senior advisor to the President, and corporation secretary for the University of Rochester. Mr. Diehl also served at various times as a member of Rochester’s adjunct faculty, teaching courses in law and economics to M.B.A. students. Mr. Diehl is admitted to practice in the State of New York. He received his B.A. (economics and business) from Macalester College (1975), M.S. in business administration from the University of Rochester (1978), and J.D. from the University of Miami (1981). Send an email

Prior to joining Phoenix House, he served as Director of Finance and Accounting for the Motion Picture Association of America, Inc.; Internal Audit Manager for Citibank N.A.; and Audit Manager for Pannell Kerr Forster, Certified Public Accountants. Mr. Kirchoff holds a B.B.A. in Accounting from Iona College, an M.B.A. from Columbia University and completed a certification program in Computer Technology and Application Development at Columbia University. He is licensed as a C.P.A. in the State of New York. Send an email

Mr. Rush joined Phoenix House in June 2000 as Vice President and Director of Human Resources.  He was subsequently promoted to Senior Vice President and Director of Human Resources in February 2003.  In October 2006, Mr. Rush also assumed responsibility for the National Training function.

In January 2009, Mr. Rush assumed the position of Regional Director for the New York Region.  Prior to joining Phoenix House, Mr. Rush retired from Bristol-Myers Squibb where he held a number of key human resources positions, most notably as Senior Vice President, Strategic Staffing from 1998-2000 and as Senior Vice President, Human Resources, U.S. Pharmaceutical Group from 1991-1997.  In addition to over 40 years experience in human resources management, Mr. Rush has designed, conducted and presented Leadership and Teambuilding programs throughout the U.S. and numerous foreign countries.  He received a B.A. and an M.B.A. from the University of Louisville. Send an email