Ralph Birkhoff*
Associate Vice President
Global Director | Call Center Services Group

+ 1.416.643.3722

Mobile: + 1.416.347.8757

ralph.birkhoff@colliers.com


ralph birkhoff

John Creba*
Associate Vice President
Director of Business Development

+ 1.416.643.3721

john.creba@colliers.com

Gregg Wassmansdorf
*Sales Representative

With the resources of more than 11,000 professionals in 293 offices worldwide, we can help you make decisions with confidence, supported by the specialized expertise and experience of our global COLLIERS INTERNATIONAL CALL CENTER SERVICES GROUP.

For more information, please contact:

Colliers International Call Center Services Group

Gregg Wassmansdorf*
VP & Manager
Location Advisory & Incentives

+ 1.416.626.1700 (ext 572)

gregg.wassmansdorf@colliers.com

Gregg Wassmansdorf
Colliers International Call Center Services Group - Global Team
 
Asia Central and Pacific

Abhishek Bajpai
Senior Manager | Corporate Services - Singapore
(+65) 6531.8547  UTC/GMT +8 hours
abhishek.bajpai@colliers.com

South Africa

Barry Wessels
Executive Director | Property Development - Cape Town
(+27) 021.591.5067  UTC/GMT +2 hours 
barry@colliers.co.za

Eastern Europe

Ernie Himsl
Head of Agency | Slovakia and Prague
(+421) 259.980.980  UTC/GMT +1 hour
ernie.himsl@colliers.sk

Western Europe

Michael Donohoe
Director | Property Consultants
(+353) 1.633.3700 UTC/GMT 0 hours  
mdonohoe@colliersjs.com

 

 
Latin America

Ralph Birkhoff
Director | CCSG - Toronto
(+1) 416.643.3722  UTC/GMT -5 hours
ralph.birkhoff@collliers.com

United States

Scott A. Morse
Executive Vice President | Corporate Real Estate Solutions - Dallas
(+1) 972.980.2802  UTC/GMT -6 hours
scott.morse@colliers.com

Australia

Simon Crouch
State Director | Corporate Services Sydney
(+61) 2.9257.0222  UTC/GMT +10 hours 
simon.crouch@colliers.com