Leadership Team 

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

John Creba
Associate Vice President
Director of Business Development
+ 1.416.643.3721
john.creba@colliers.com

Gregg Wassmansdorf
VP & Manager
Location Advisory & Incentives
+ 1.416.626.1700 (ext 572)
gregg.wassmansdorf@colliers.com

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