Dena Hammerstein, Founder
Dena has worked as a volunteer in NYC hospitals for over 15 years, and in 2003 received the United Hospital Funds New Leadership Group's Humanitarian Award. She is President of James Hammerstein Productions currently represented off Broadway by I Love You, You're Perfect, Now Change. Other Producer and Associate Producer credits include: My Name Is Rachel Corrie, Slut, and the West End productions of Dirty Blonde, and Sunday In The Park With George.

Marianne Hardart, President
Marianne is one of the original OMB board members. She has worked with children and families in the health care industry and nonprofit organizations for over 15 years. She is currently the Director of Therapeutic Recreation, Child Life & Creative Arts Therapies Department at NYU Medical Center and is an active volunteer with the United Hospital Fund's New Leadership Group. She has also published a book on the Horn & Hardart Automat.

Jennifer Hammerstein, Secretary
Jennifer Hammerstein is an original member of the Only Make Believe board. Her background is in documentaries and children's radio and television production. She is currently a producer and casting director in commercial photography, and a member of the Three Lakes Council of Lewisboro where she is involved in preserving open space in Northern Westchester County. Jennifer lives in South Salem, NY with her husband and three children.

Amy Horrocks, Treasurer
Amy Horrocks joined the Board of Only Make Believe in 2005 and currently serves as the Treasurer. She is a Vice President for Hospital Operations at NYU Medical Center where she is responsible for the Medicine and Critical Care Service Lines, in addition to a variety of other departments and programs.  She has worked at NYUMC for 15 years.  Amy received her BS in Policy Analysis and her Master's in Health Administration from Cornell University. 

Suzanne Davis
Suzanne is one of the founding members of the Only Make Believe board and served as its treasurer from 2000-2002. Suzanne worked closely with the Only Make Believe staff to establish its nonprofit status and put financial and administrative procedures in place. Her administrative and organization skills come from her experience as a meeting planner and travel manager. Suzanne received a B.A. from New York University.

Joe DiPietro
Joe has been a board member since 2000. He is a playwright who is probably best known for writing the book and lyrics to I Love You, You're Perfect, Now Change, the longest-running revue in New York history. Other works include the much produced comedy, Over the River and Through the Woods, and the Elvis Presley jukebox musical, All Shook Up. He has written two new musicals with Bon Jovi's David Bryan Memphis and The Toxic Avenger.

Hayley Mills
Hayley joined the Only Make Believe Board in 2002. She has worked in motion pictures, television and on the stage since she was 12 years old and has known Dena Hammerstein for almost as long. She hosted the second annual Only Make Believe Benefit in November 2002 at the Westside Theater.

Lisa Poggi, Esq.
Lisa brings to Only Make Believe 20 years of financial services and employment law experience. Presently, Lisa is a Director at Credit Suisse. Previously, she was a Director of Human Resources at Arthur Andersen and spent 14 years with ING Bank as Vice President & Employee Relations Manager. Lisa received her B.B.A. and M.B.A. from Hofstra University and J.D. with honors from New York Law School.