Our Team

Qualified tax accountants and workers who listen first.

Sharp As Tax says there are no questions too insignificant to receive their undivided attention.

Our clients

Even after assisting thousands of individuals, none of them are exactly like you.

Sharp As Tax specialises in listening first to understand your unique situation in order to be the best accountant they can be for you.

Our staff

Fresh thinking comes from a healthy work-life balance.

The source site says staff work an average of four days per week to stay fresh and thinking clearly, while still offering late-night and Saturday morning appointments around busy schedules.

People

Meet the team.

Garry Mueller, Director, Senior Tax Accountant

Since 2001

Garry Mueller

Director, Senior Tax Accountant

After a level crossing accident and rehabilitation, Garry retrained in accounting. Two years after integrating into accounting, he began managing Sharp as Tax, where he has passionately worked for 20 continuous years. His active hobbies include travelling, long-distance trekking, mountaineering, paragliding, sailing and scuba diving.

Roshanthi Pinto, Senior Tax Accountant

Since 2011

Roshanthi Pinto

Senior Tax Accountant

Roshanthi migrated from Sri Lanka with her husband in 2009 and started working at Sharp as Tax in 2011. She has completed her Bachelors of Science and has done up to Professional Stage 1 in Certified Management Accounting. She loves her job and can often be found proactively learning new information to best help her clients.

Jessica Butler, Senior Tax Accountant

Since 2020

Jessica Butler

Senior Tax Accountant

Originally born in the Adelaide Hills, Jessica started at Sharp As Tax as a receptionist while completing her Commerce degree in accounting. After achieving CPA, she worked in a large city accounting firm for 8 years before returning to the hills.

Disna Cooray, Tax Advisor

Since 2015

Disna Cooray

Tax Advisor

Disna is originally from Sri Lanka, where she worked as an account analyst and as a clerk at the University of Colombo. She completed her Diploma of Accounting in 2014 and enjoys working closely with clients to help them achieve individual and business goals.

Diana Curcudel, Tax Advisor

Since 2017

Diana Curcudel

Tax Advisor

Diana migrated to Australia from Moldova in 2010. She completed a Diploma in Psychology in Moldova, then followed her long-time interest in accounting after arriving in Australia. She also runs a small healthy food business with her husband.

Kim Adamson, ATO Liaison Officer

Since 2021

Kim Adamson

ATO Liaison Officer

Before joining Sharp as Tax, Kim worked in Human Resources and Workplace Health and Safety at Mobilong Prison. She grew up in Queensland and settled in South Australia in 2018.

Rebekah Coonan, Receptionist, Administration

Since 2023

Rebekah Coonan

Receptionist, Administration

Rebekah grew up in the state's South East before moving closer to the city. She returned to the workforce after raising and home-schooling her children, and volunteers around the community.

Christina Jolly, ASIC Compliance, Tax Preparer

Since 2025

Christina Jolly

ASIC Compliance, Tax Preparer

Christina reentered the workforce at Sharp As Tax in 2014, worked until late 2020, and recently rejoined the team. She enjoys helping clients and strives to provide the best assistance possible.