Antony Grgas
Antony Grgas is an actor, voice specialist, educator and communication coach who has spent more than two decades helping professionals develop greater confidence, impact and authenticity in their communication. A graduate of NIDA’s Acting program, Antony also holds a Postgraduate Diploma in Voice Studies, a Certificate IV in Assessment and Workplace Training, and a Certificate of Business Studies. This rare combination of performance, voice and business expertise allows him to bridge the gap between artistic excellence and practical workplace communication.
A highly accomplished performer and teacher, Antony has worked extensively across Australia’s theatre industry since 1990, performing with many of the nation’s leading theatre companies in productions spanning both classical and contemporary repertoire. His screen work includes film, television drama, mini-series and commercial campaigns. Alongside his performance career, Antony has taught acting and voice studies at NIDA and other leading actor-training institutions, earning a reputation as a highly skilled educator and mentor
As one of NIDA Corporate’s most experienced and respected facilitators, Antony has worked with organisations across the hospitality, banking and finance, consulting, education and telecommunications sectors. Drawing on his expertise in voice, movement and performance psychology, he helps professionals strengthen both formal and interpersonal communication. His coaching enables participants to communicate with greater clarity, influence and credibility, whether presenting to large audiences, leading teams or navigating important one-to-one conversations.
Antony specialises in helping people unlock the full potential of their voice and physical presence. Through practical, experiential learning, he equips participants with techniques to improve vocal impact, audience engagement, confidence and connection. His approach combines technical expertise with warmth, encouragement and a deep understanding of human communication, creating learning environments where individuals can safely challenge themselves and achieve lasting growth.
Known for his ability to translate sophisticated performance techniques into practical workplace tools, Antony helps leaders and professionals communicate with authority while remaining genuine and authentic. Whether coaching senior executives, emerging leaders or client-facing teams, he empowers people to make a stronger impact through the intelligent use of voice, presence and connection.
What our clients said
“Antony was an encouraging dynamic presenter who brought out the best in our class. He moved me from being very nervous and doubting myself to a feeling of confidence. I cannot believe how far I progressed.“
