Brad McMahon
Managing Director
Brad is the Owner and Director of Optimum Consulting Group. Founding the company in 2003
Ben Walsh
National General Manager - Recruitment
Ben commenced his recruitment career in Brisbane in 1998 before working internationally in Canada and Ireland…
Alicia Sumich
Group Manager - Business Development
Alicia is a seasoned Recruitment Consultant with over 15 years’ experience in the Brisbane market.
Jason Buchanan
General Manager - Insights & Innovation
Jason joined Optimum Consulting in 2012 to head up our Insights & Innovation division bringing almost 20 years of cross-industry…
Marianne Savas
Divisional Manager - Qld
As an ex-Accountant by trade, Marianne started her career in recruitment, initially working for Hays in their accounting support division…
Sarah Linder
Operations Manager
In November 2024, my husband, two daughters and I packed up our lives and made the big move from the UK to sunny Brisbane, Australia…
Mikahla Smith
Executive Consultant
Mikahla began her career working for a small business consulting firm before joining Optimum Consulting in 2010 as a Consultant…
Jennifer Hamilton
Office Manager/PA
Jenny joined the Optimum team in September 2018 after 11 years of being a stay at home mother. Prior to this…
Leanne McMahon
Group Assistant
Meet Leanne, the friendly face at Optimum reception since November 2015.
Jack Challinor
Technical Services Consultant
Jack joined the Optimum Consulting team in September 2025 as a Technical Services Consultant. He studied at QUT, completing…
Van Silvano
Resourcing Specialist
Van joined Optimum in January 2023 as part of the Technical Services Team. With a background…
Michael Gaerlan
QA Analyst
Michael started with Optimum Consulting on December 2013 as quality assurance (QA) analyst for the various…
Mia Newbold
Recruitment Consultant
Mia joined the Optimum Consulting Team in April 2025 a Candidate Consultant (Primarily working with Rutherford and Alicia)…
Ben Sciacca
Consultant
Ben joined the Optimum Consulting Team in February 2022 to help out with resourcing and interviewing of our candidates…
Bianca de Barros
Marketing Specialist
Bianca joined Optimum Consulting Group as a Corporate Services Consultant (Remote) following the acquisition of APRG…
Grace Anne Mendoza
Resourcing Specialist
Grace started with Optimum Consulting in July 2019 as an IT resourcing specialist. She is part of…
Pauline Zantua
Resourcing Specialist
Pauline joined Optimum Consulting in February 2021, supporting the Technical Services portfolio….
Katharine Torre
Support Consultant
Katha has been with Optimum Consulting Group since July 2015, supporting both…
Louise Lumapas
Full Stack Developer
Working as a front-end developer for the past four years, I recently joined Ryan’s team as a full-stack developer…
Lewis McMahon
Consultant
Lewis joined Optimum in January 2026 as a Candidate Consultant. He assists with resourcing and interviewing candidates, primarily across customer service–based roles…
Kimmy Phan
Marketing Manager
With over four years of experience in marketing, Kimmy is excited to join the team at Optimum…
Stormi Owens
Consultant
Stormi joined the Optimum Consulting team in January 2026 as a consultant. With a background in fast-paced professional environments…
Jessica Burgos
Front End Developer
Jessica joined Optimum Consulting in May 2022 as a Front End Developer. Working in our Technical Development…
An Tran
Recruitment Consultant
An joined the Optimum Consulting team in June 2026 as a Consultant. Coming from eight years in allied health, she brings a sharp ability to communicate clearly and readily understands what matters the most. Three years of recruitment across a broad range of industries has deepened her ability to build genuine, lasting connections with clients and candidates from all walks of life.
Outside of work, she loves exploring Australia’s great outdoors through trekking and hiking, with a particular fondness for FNQ.
