Our Leadership Team


Hercules Kotsornithis

Chief Executive Officer

Hercules is a fellow of the Institute of Public Accountants with over 35 years accounting and operational experience in the finance, construction industries and the last 5 years in the disability sector.

Hercules joined Windgap in September 2012.


Joanne D’arcy

General Manager – Direct Services

Joanne has been at Windgap since 1993, starting as a community support worker. Joanne has held various positions across the organisation working her way towards a management role. She has a background in Education,  Certificate IV in Disability Support and a Diploma in Community Services Management.


Charlie Vella

Chief Financial Officer

Charlie is a Chartered Accountant with over 35 years accounting, strategic and operational experience in various professional firms and commercial industries.

Charlie  joined Windgap in March  2015


Timothy Sunwoo

Chief Operating Officer

Tim has over 20 years of strategy, finance and investment experience.

Tim  joined Windgap in December  2017