Jason Dunnachie

Overview

Jason Dunnachie is a Principal in Ryan’s Research and Development practice and is based in the Firm’s Sydney office. He leads research and development (R&D) tax incentive advisory services across Australia and supports clients throughout the Asia-Pacific region and globally. With nearly 30 years of experience specializing in innovation and investment incentives, Jason advises organizations ranging from emerging businesses to multinational corporations on complex R&D tax incentive and government grant matters, helping them align innovation strategy with commercial growth objectives. Jason is widely recognized as a leading expert in innovation incentives and has played an active role in shaping policy discussions and reform initiatives related to R&D tax incentives. He brings extensive experience defending contested claims through negotiation and litigation, helping clients navigate regulatory complexity with confidence and clarity. Throughout his career, Jason has built and scaled successful R&D advisory practices, led high-performing teams across multiple jurisdictions, and held senior leadership positions within global professional services organizations. Known for his collaborative leadership style and strong industry relationships, Jason combines technical rigor with practical execution to deliver sustainable, measurable outcomes for clients operating in dynamic global markets.

Education and Qualifications

Bachelor of Commerce in Taxation, Western Sydney University , Graduate Diploma in Taxation

Chartered Tax Adviser, The Tax Institute of Australia

Registered Tax Agent

Experience and Achievements

Principal, Research and Development, Ryan, Sydney office

• Leads R&D tax incentive advisory services across Australia and the Asia-Pacific region

• Advises organizations on innovation funding, incentive strategy, and regulatory matters

• Supports multinational clients with complex cross-border R&D tax incentive engagements

Partner, Global Investment and Innovation Incentives, Deloitte

• Served as senior leader within Deloitte Australia’s Global Investment and Innovation Incentives practice

• Held multiple leadership roles, including National Global Investments and Innovation (Gi3) Leader and member of the Global Executive team

• Advised clients across Australia, the United Kingdom, Singapore, Papua New Guinea, and New Zealand

Partner, R&D and Indirect Tax, Horwath

• Built and led the firm’s R&D tax and grants advisory practice

• Expanded service offerings and developed specialist advisory capabilities

Principal, R&D and Indirect Tax, Deloitte Australia

• Advised clients on R&D tax incentives, indirect tax, and government grant programs

• Supported development of innovation incentive methodologies and advisory frameworks

Member, Australian Government National R&D Reference Group

Affiliate, Institute of Chartered Accountants in Australia