Nicole Cullen has practised law for 20 years and is an expert in family law and criminal law. Nicole attended James Cook University and Queensland University of Technology before moving to Mackay in 2000. She commenced a trainee solicitor program in 2000, was admitted as a solicitor in 2002, and has worked with McKays since October 2005. Nicole became the first female Principal of McKays in 2010, is now a Director of the practice and manages the Family Law and Criminal Law teams in Mackay and also visits the McKays Family Law Brisbane office on one day each week.

As a Queensland Law Society Accredited Family Law Specialist, Cathy specialises in helping clients with family law matters relating to the breakdown of both marriage and de facto relationships and also parenting matters such as the living arrangements and decision making for children. Cathy can also assist clients who are the victims of domestic violence by obtaining and utilising domestic violence protection orders.

Lucy Guye is an Associate working in the McKays Family Law team. After completing her university studies (with first class honours) at Bond University, Lucy relocated to Mackay to begin her legal career.

Originally from North Queensland, Isabelle's path into law commenced at James Cook University in Townsville, where she earned her Bachelor of Laws. Throughout her studies, Isabelle engaged in various community service activities, volunteering at the Townsville Community Legal Centre and contributing to a non-profit flood relief clinic. She also gained practical experience working at a local family law firm whilst studying. In 2019, Isabelle made the move to Mackay, where she honed her skills in conveyancing for over three years. Following this, she transitioned into the area of family law.