Donald L. Ptalis

Founder at Plaza Promotions

81 year

Consumer Durables

Health Technology

Consumer Services

Active connections

Name	Gender	Age	Linked companies	Collaboration
Sanford Rich	M	66	ASPEN GROUP, INC.	12 years
Michael F. Houtkin	M	45	Plaza Promotions	20 years

Connections Chart

Multi-company connection

Former connections

Name	Gender	Age	Linked companies	Collaboration
David C. Johnson	M	-	ASPEN GROUP, INC.	1 years
Melvin Schlossberg	M	76	SILO PHARMA, INC.	3 years
Richard Brand	M	67	SILO PHARMA, INC.	4 years
Walter van Eps Parker	M	76	SILO PHARMA, INC.	7 years
C. James Jensen	M	83	ASPEN GROUP, INC.	9 years
Michael D’Anton	M	66	ASPEN GROUP, INC.	6 years
Vadim Mats	M	40	SILO PHARMA, INC.	2 years
Austin Wolfe Marxe	M	84	City University of New York	4 years
Steven A. Rosenthal	M	-	City University of New York	4 years
John F. Murray	M	88	City University of New York	4 years
Soy L. Chu	M	-	City University of New York	4 years
Linda Friedman	F	-	City University of New York	4 years
Mark I. Fisher	M	-	City University of New York	-
Larry Abella	M	-	City University of New York	3 years
M. Lewis Temares	M	82	City University of New York	4 years
Kenneth S. Geller	M	-	City University of New York	4 years
Bob Klein	M	-	City University of New York	4 years
Eva Pell	M	-	City University of New York	4 years
Norman Meisner	M	-	City University of New York	12 years
Barry G. Markowitz	M	81	City University of New York	2 years
Martin Sass	M	-	City University of New York	4 years
Robert I. Hanfling	M	85	City University of New York	2 years
Paul S. Schreiber	M	-	City University of New York	4 years
Daniel S. Goldin	M	83	City University of New York	4 years
Stuart Bert Ross	M	87	City University of New York	2 years
Jerome Crown	M	-	City University of New York	4 years
Gabriel Joseph Gibs	M	88	City University of New York	4 years
Steven Kotler	M	76	City University of New York	4 years
Irving B. Yoskowitz	M	78	City University of New York	4 years
William A. Roskin	M	80	City University of New York	4 years
Jerald G. Fishman	M	78	City University of New York	4 years
Howard I. Smith	M	78	City University of New York	3 years
George Fellows	M	80	City University of New York	-
Warren Kaplan	M	87	City University of New York	2 years
Henry S. Kaplan	M	81	City University of New York	4 years

Statistics

Country	Connections	% of total
United States	37	100.00%

Age of Connections

Active

Past

Male

Female

Members of the board

Executives

Origin of connections