Lee H. Perlman
Chief Executive Officer
(212) 506-5433
perlman@gnyha.org

John P. Sganga
President
(212) 901-1349
sganga@essensa.org

David J. Mancione
Senior Vice President
(212) 901-1345
mancione@essensa.org  

Cynthia Radford
Senior Vice President
(212) 901-1227
cradford@innovatix.com  

GNYHA Services, Inc., a wholly owned, for-profit subsidiary of GNYHA Ventures has a unique business alliance with Premier, Inc., one of the nation's largest medical/surgical and pharmaceutical group purchasing programs. GNYHA Services also operates its own regional group purchasing program for both Premier and non-Premier members.

Lee H. Perlman
Chief Executive Officer
(212) 506-5433
perlman@gnyha.org

Christopher O’Connor
President
(212) 506-5415
oconnor@gnyha.org

Alison Flynn
Senior Vice President
(212) 506-5523
aflynn@gnyha.org

Tania Richards, C.P.A.
Senior Director, Finance
(212) 259-0722
trichards@gnyha.org

Pharmacy Services

William R. Larkin, MS, RPh
Executive Vice President 
(212) 506-5450
larkin@gnyha.org 

David Grish
Vice President, Pharmacy Services
(212) 506-5469
grish@gnyha.org 

Joseph Mislowack, MS, RPh
Vice President, Pharmacy Regional Services
(212) 506-5504
mislowack@gnyha.org

Sudha Narayanaswamy, PharmD, BCPS, CGP
Assistant Vice President, Clinical Pharmacy Services
(212) 258-5376
snarayanaswamy@gnyha.org

Elizabeth A. Shlom, PharmD, BCPS
Senior Vice President & Director, Clinical Pharmacy Services
(212) 506-5448
shlom@gnyha.org 

Leila M. Tibi-Scherl, PharmD
Associate Vice President, Pharmacy Regional Services
(212) 259-0775
tibi@gnyha.org    

Group Purchasing Services

Business Strategy

Nancy A. Vetter, RN
Senior Vice President
(212) 258-5328
nvetter@gnyha.org

Frank Cirillo
Vice President
(212) 554-7238
fcirillo@gnyha.org

Donna L. Gammarato
Vice President
(212) 506-5436
gammarato@gnyha.org

Strategic Contracting Services

Jeffrey Ashkenase
Senior Vice President
(212) 259-0774
ashkenase@gnyha.org

Anthony Bertuch
Assistant Vice President, Contracting Services 
(212) 258-5358
bertuch@gnyha.org

Lisa Fishelberg
Assistant Vice President
(212) 258-5388
fishelberg@gnyha.org

Martin Glick, CPA
Associate Vice President
(212) 258-5324
mglick@gnyha.org

Robert J. Karcher 
Vice President, Contracting Services
(212) 258-5307
bkarcher@gnyha.org

Michelle Pollack, RN
Assistant Vice President, Imaging Services
(917) 232-8412
mpollack@gnyha.org  

Praful Shah
Vice President, Clinical Diagnostic Services
(212) 258-5386
shah@gnyha.org

David Zimba
Vice President, Custom Contracting
(212) 554-7205
dzimba@gnyha.org

Business Solutions Group

Jay Fligstein
Senior Vice President
(646) 831-1493
fligstein@gnyha.org

Paige A. Dworak
Assistant Vice President
(347) 380-1997
pdworak@gnyha.org

Ann Vayos
Assistant Vice President
(646) 413-0995
avayos@gnyha.org

Ben Chodor
Chief Executive Officer
(212) 561-5030
bchodor@happtique.com

Corey Ackerman
President and Chief Operating Officer
(212) 561-5123
ackerman@happtique.com

Barbara Green
Senior Vice President
(212) 259-0720
bgreen@happtique.com

Innovatix provides high quality group purchasing and consultative services to our national membership base of alternate care and non-acute care institutional providers. One of the fastest growing group purchasing organizations in the country, Innovatix serves over 9,200 members in all 50 states and Puerto Rico.

Today our programs are providing services to patients in the home infusion, extended care, long term care (dispensing) pharmacy, retail and mail-order pharmacy, institutional providers and independent medical oncologists segments.

John P. Sganga
President & Chief Executive Officer
(212) 901-1349
sganga@innovatix.com

Rocco D. Consiglio
Senior Vice President
(610) 614-1663
consiglio@innovatix.com

Walter S. Geba, PharmD
Senior Vice President
(212) 901-1342
geba@innovatix.com

William R. Larkin, MS, RPh
Group Vice President
(212) 506-5450
larkin@gnyha.org  

Lori Levinson
General Counsel
(212) 506-5419
levinson@gnyha.org

David J. Mancione 
Senior Vice President
(212) 901-1345
mancione@innovatix.com

Cynthia Radford
Senior Vice President
(212) 901-1227
cradford@innovatix.com  

Lisa Walsh
Senior Vice President
(212) 901-1364
walsh@innovatix.com

Nexera is a national health care consulting firm that specializes in supply chain cost reduction, outsourcing, technology, and project management.

Lee H. Perlman
Chief Executive Officer
(212) 506-5433
perlman@gnyha.org

Christopher O'Connor
President
(212) 506-5415
oconnor@nexerainc.com

Alison Flynn
Senior Vice President
(212) 506-5523
aflynn@nexerainc.com

Tania Richards, C.P.A.
Senior Director, Finance
(212) 259-0722
trichards@nexerainc.com

Management Services

Victoria Miller
Senior Vice President
(973) 303-3642
vmiller@nexerainc.com

Elliot Allen
Vice President
(917) 232-8421
allen@nexerainc.com

Timothy Glennon
Vice President
(212) 506-5445
glennon@nexerainc.com

Roberta Knab
Vice President
646-942-7341
rknab@nexerainc.com

Carlos Maceda
Vice President
(212) 256-2512
cmaceda@nexerainc.com

Diane Mongiello, RN
Vice President
(917) 232-8422
mongiello@nexerainc.com

Louis Santomauro
Assistant Vice President
(914) 589-7011
santomauro@nexerainc.com

Dean Sheffield
Assistant Vice President
(212) 258-5332
sheffield@nexerainc.com

Consulting Practice

Nancy A. Vetter 
Senior Vice President 
(212) 258-5328
nvetter@gnyha.org  

Susan Santoro
Vice President
(917) 692-9398
ssantoro@nexerainc.com

Bruce C. Vladeck, Ph.D.
Senior Advisor
(212) 506-5453
bvladeck@nexerainc.com