Optimum Consulting · Brisbane, Melbourne, Perth & across Australia · Since 2003

The people behind your success.

Working in Brisbane, Melbourne, Perth and nationally across Australia, our team brings together decades of specialist experience in recruitment, HR consulting, technology and business advisory.

We are a genuinely connected team. When you work with Optimum, you work with people who know your market, your industry and your goals.

Talk to our Team

– OUR PEOPLE

Specialists you can rely on.

Every member of our team was chosen for their expertise, their integrity and their genuine commitment to client outcomes. From our Brisbane headquarters to our international offices, we share a single purpose: helping great organisations find, develop and retain exceptional people.

Managing Director

Brad McMahon

Brad is the Owner and Director of Optimum Consulting Group. Founding the company in 2003 he has seen it grow to over 30 staff across Australia, Indonesia and the Philippines. Brad is responsible for all operational and strategic functions for the group and he still actively recruits executive assignments for a select group of clients.

As Optimum has expanded its service offerings, Brad has become involved in the business development and delivery of human resources…

National General Manager — Recruitment

Ben Walsh

Ben commenced his recruitment career in Brisbane in 1998 before working internationally in Canada and Ireland…

Group Manager — Business Development

Alicia Sumich

Alicia is a seasoned Recruitment Consultant with over 15 years’ experience in the Brisbane market, bringing…

General Manager — Insights & Innovation

Jason Buchanan

Jason joined Optimum Consulting in 2012 to head up our Insights & Innovation division, bringing almost 20 years…

Divisional Manager — Qld

Marianne Savas

An ex-Accountant by trade, Marianne started her career in recruitment initially working for Hays in their accounting support division before joining….

Head of Finance and Operations

Sarah Linder

In November 2024, Sarah relocated from the UK to Brisbane with her husband and two daughters. She brings fresh energy…

Office Manager / PA

Jennifer Hamilton

Jenny joined the Optimum team in September 2018, bringing strong organisational skills and a warm approach that keeps the Brisbane office…

Group Assistant

Leanne McMahon

Meet Leanne, the friendly face at Optimum reception since November 2015. She is often the first point of contact for clients and candidates alike…

Executive Consultant – Group Solutions

Mikahla Smith

Mikahla began her career working for a small business consulting firm before joining Optimum Consulting in 2010…

Marketing Manager

Kimmy Phan

With over five years of experience in marketing, Kimmy brings creative energy and strategic thinking to the Optimum brand, managing…

Marketing Specialist

Bianca de Barros

Bianca joined Optimum Consulting Group as a Corporate Services Consultant (Remote) following the acquisition of APRG…

Full Stack Developer

Louise Lumapas

Working as a front-end developer for several years, Louise recently joined the technology team as a full-stack developer,…

Front End Developer

Jessica Burgos

Jessica joined Optimum Consulting in May 2022 as a Front End Developer, working in our Technical Development team to build and refine…

QA Analyst

Michael Gaerlan

Michael started with Optimum Consulting in December 2013 as a quality assurance (QA) analyst, ensuring the reliability and accuracy…

Consultant

Mia Newbold

Mia joined the Optimum Consulting team in April 2025 as a Candidate Consultant, working primarily across candidate engagement…

Consultant

Ben Sciacca

Ben joined the Optimum Consulting team in February 2022 to assist with resourcing and interviewing of our candidates, bringing…

Consultant

Lewis McMahon

Lewis joined Optimum in January 2026 as a Candidate Consultant, assisting with resourcing and interviewing candidates primarily…

Consultant

Stormi Owens

Stormi joined the Optimum Consulting team in January 2026 as a consultant, bringing a background in fast-paced professional….

Consultant

Jack Challinor

Jack joined the Optimum Consulting team in September 2025. He studied at QUT and brings technical aptitude and a fresh perspective…

Resourcing Specialist

Van Silvano

Van joined Optimum in January 2023 as part of the Technical Services Team, bringing a strong background in candidate sourcing…

Resourcing Specialist

Angel Garcia

Angel is a results-driven Resourcing Specialist with 5+ years of experience building meaningful connections between candidates…

Resourcing Specialist

Grace Anne Mendoza

Grace started with Optimum Consulting in July 2019 as an IT resourcing specialist, bringing deep expertise in technology talent…

Resourcing Specialist

Pauline Zantua

Pauline joined Optimum Consulting in February 2021, supporting the Technical Services portfolio with strong resourcing skills…

Support Consultant

Katharine Torre

Katha has been with Optimum Consulting Group since July 2015, supporting both recruitment and consulting operations…

Chief Technology Officer

Ryan

Ryan joined Optimum in 2014 and, whilst he already had a few years of software development experience, has since grown into…

Ready to work with a team

that genuinely gets it?

Whether you are looking for your next great hire or seeking expert HR consulting advice, our team is ready to help.

Contact our Team