The IAH Australia National Executive is elected annually from IAH members in good standing. The National Executive for this 2024 membership year was elected at the IAH Australia AGM in January 2026.

IAH AUSTRALIA EXECUTIVE 2026

 

Dr Richard Cresswell – President, IAH Australia

PRESIDENT: Dr Richard Cresswell (NSW)

Dr Richard Cresswell is a Senior Principal Hydrogeologist with Eco Logical Australia, based in Newcastle, NSW. He trained in geology at Sheffield, UK and Toronto, Canada, before easing into groundwater dating at ANU in Canberra and has been involved with water underground ever since. He moved to the Commonwealth Government to work on the National Action Plan for Salinity, and this took him to work at CSIRO in Brisbane, focusing on water resources across Northern Australia and the Great Artesian Basin. Moving to Sydney, he joined SKM (now Jacobs) and worked on groundwater issues for mining and CSG clients before transitioning to ELA to build their groundwater team, and currently their Groundwater Dependent Ecosystem Growth Initiative. He was IAH NSW Chairperson from 2019 to 2025 and is eager to open our eyes and make the invisible visible!

VICE-PRESIDENT: Greg Hoxley (VIC)

Greg Hoxley is a Principal Hydrogeologist with Jacobs in Melbourne.

 

 

TREASURER: Ron Colman (WA)

Ron is a hydrogeologist with extensive experience in water supply development and water resource management throughout WA and NT for mining, municipal, commercial, horticultural and industrial clients. Overseas experience includes groundwater investigation and water supply development work in Peninsula and East Malaysia (Sabah), Kalimantan (BHP Minerals Indonesia) and Orissa, India (Indo-Australian Aid Project). Ron has been a member of IAH since 1984 and has been a WA Branch committee member for a large portion of that time. He has filled the roles of Branch Chairman, Vice Chairman and meetings organiser.

 

Graham Hawkes – Secretary, IAH AustraliaSECRETARY: Graham Hawkes (NSW)

Graham Hawkes is a consultant Principal Hydrogeologist and Environment Director with Aurecon, based in Sydney. He has over 30 years of experience in hydrogeological investigations and groundwater assessments. Graham is a Registered Professional Geoscientist in Hydrogeology (RPGeo) and a Certified Environmental Practitioner and site contamination specialist (CEnvP). Coupled with strong built environment experience (tunnelling, construction, land development) and consulting skills in many areas of earth and environmental sciences, Graham’s project experience covers groundwater resource investigation and development, groundwater characterisation, groundwater civil engineering projects, contaminant hydrogeology and urban development. He enjoys providing training and mentoring junior hydrogeologists. Graham has been a committee member of the NSW Chapter in various roles (including President) since 2010.

 

IAH Past Presidents

2022-2025 Kelly-Jane Wallis

2019-2021 Ian Brandes de Roos

2017–2018 Lange Jorstad

2015–2016 Chris McAuley

2010–2014 Richard Evans

2006–2010 Philip Commander

2002–2006 Steve Barnett

1998–2002 Ray Evans

1995–1998 John Hillier

1991–1994 Michael Knight

1986–1990 Paul Whincup

1984–1985 Bill Williamson