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Central Region



Marco Coletta

Territory
Sales Manager
416.572.1055

mcoletta@gnresound.com



Dale Trenton

Territory
Sales Manager
647.281.4946

dtrenton@gnresound.com



Willem Maessen

Field Training
Audiologist
416.262.9965

wmaessen@gnresound.com



Christina Kim

Field Training
Audiologist
437.228.0158

chkim@gnresound.com



Katherine Gross

Director,
Training
416.312.7298

kgross@gnhearing.com



Fred Lin

Technical
Support Advisor
1.888.737.6863 Option 2

linf@gnresound.com



Yos Marzourk

Technical
Support Analyst
1.888.737.6863 Option 2

ymarzouk@gnresound.com



Ricky Chow

Technical
Support Analyst
1.888.737.6863 Option 2

rchow@gnresound.com



David Schroeder

Customer
Service Manager
416.572.1043

dschroeder@gnhearing.com



Janet Adams

Customer
Service Representative
1.888.737.6863 Option 1

jadams@gnresound.com



Sandra Leroux

Customer
Service Representative
1.888.737.6863 Option 1

sleroux@gnresound.com



Margaret Chin

Director of
Product Management
416.572.1049

mchin@gnresound.com



Michael Ioannidis

Marketing
Director
416.572.1064

mioannidis@gnhearing.com



Alex Markovic

Inside Sales
Representative
416.572.1052

amarkovic@gnresound.com



Devin Power

Senior Business
Development Manager
416.572.1046

dpower@gnresound.com