About Us

Optimal Personnel Services deliver a broad range of specialised services across all industries nationally.

We are an Aboriginal owned and operated business with over 25 years of knowledge and experience in recruitment, training and consultancy services within the Corporate, Government, Mining & Civil industry sectors.

At Optimal Personnel Services works with you to achieve positive sustainable outcomes based on mutual respect and values.  Our services are tailored to meet individual client needs and deliver the best results and solutions for your organisation.

Marilee Liddell
Founder & Managing Director

As a descendent of the Wororra & Nyul-Nyul people from the Kimberley region, Marilee was born and raised in Port Hedland Western Australia she has extensive experience working in Indigenous Affairs, Indigenous Employment & Training and Consultancy across various industries.  Her passion is to create sustainable long-term opportunities through innovative business initiatives.

Qualifications

  • Bachelor of Science (Indigenous Community Development & Management);
  • Certificate IV Business Governance
  • Certificate IV Front Line Management
  • Certificate IV Training & Assessing
  • Mental Health First Aid Facilitator
  • Director – Dambimangari Aboriginal Corporation

Dennis Simmons

CEO and founding director of the Maar Koodjal Aboriginal Corporation and is one of the few Nyoongar Men with a degree in Psychology. These two areas of expertise come together to facilitate a cultural approach to mental health and behaviour change. He has a background of involvement in numerous cultural and enterprises.

Qualifications

  • Consultancy
  • Cultural Mental Health/Behaviour Change on Country
  • Coaching and Mentoring in the Mining Industry
  • Culture Awareness Training
  • Film Production
  • Event Management Support