Admissions and Appointments
- Admitted as a Barrister: 2013
- Admitted as a Solicitor: 2005
Degrees and Qualifications
- Master of Laws (USyd)
- Bachelor of Laws (UNSW)
- Bachelor of Arts (UNSW)
e: johnson@pghelychambers.com.au p: +61 2 9224 9788
Greg specialises in public and administrative law. Greg regularly appears (both led and unled) in the Federal Court of Australia, High Court of Australia and the Federal Circuit and Family Court (Division 2), as well as in the Supreme Court of NSW, District Court of NSW, NSW Coroner’s Court and in various Federal and State Tribunals, including the Administrative Appeals Tribunal and the NSW Civil and Administrative Tribunal (NCAT). His extensive client base includes Commonwealth Government Departments and Agencies (such as the Department of Home Affairs, the National Disability Insurance Agency and the Migration Agents Registration Authority), the Law Society of NSW, the Legal Services Commissioner, and the NSW Police.
Greg holds a Master of Laws from the University of Sydney, and a Bachelor of Laws and Bachelor of Arts from the University of New South Wales. He has also held various executive roles in the profession, including as President of NSW Young Lawyers.
Greg has been recognised in the Australian Financial Review’s Best Lawyers in Australia for Immigration Law for 2021, 2022 and 2023.
Areas of Practice
- Administrative
- Commercial
- Discrimination
- Employment and Industrial
- Migration
Articles, Cases & Publications
SELECT CASES
High Court of Australia
KDSP v Minister for Immigration, Citizenship, Migrant Services and Multicultural Affairs [2021] HCA 24 (led by P D Herzfeld SC); DQU16 v Minister for Home Affairs [2021] HCA 10 (led by A M Mitchelmore SC).
Full Federal Court Appeals
Minister for Immigration, Citizenship, Migrant Services and Multicultural Affairs v LPSP [2023] FCAFC 24 (led by C Horan KC); Minister for Immigration, Citizenship and Multicultural Affairs v Nguyen [2022] FCAFC 200 (led by C Lenehan SC); AFX17 v Minister for Home Affairs [2022] FCAFC 150 (led by C Lenehan SC); KXXH v Minister for Immigration, Citizenship, Migrant Services and Multicultural Affairs (2022) 292 FCR 15; [2022] FCAFC 111; AIO21 v Minister for Immigration, Citizenship, Migrant Services and Multicultural Affairs [2022] FCAFC 114; Minister for Immigration, Citizenship, Migrant Services and Multicultural Affairs v Gupta [2022] FCAFC 51 (led by G T Johnson SC); Chen v Minister for Immigration, Citizenship, Migrant Services and Multicultural Affairs (2022) 288 FCR 218; [2022] FCAFC 41; EPL20 v Minister for Immigration, Citizenship, Migrant Services and Multicultural Affairs [2021] FCAFC 173 and Sillars v Minister for Immigration, Citizenship, Migrant Services and Multicultural Affairs (2021) 394 ALR 347; [2021] FCAFC 174 (led by C Lenehan SC); Bettencourt v Minister for Immigration, Citizenship, Migrant Services and Multicultural Affairs (2021) 287 FCR 294; [2021] FCAFC 172; Koka v Minister for Immigration, Citizenship, Migrant Services and Multicultural Affairs (2021) 284 FCR 346; [2021] FCAFC 82; Minister for Immigration, Citizenship, Migrant Services and Multicultural Affairs v AWT19 (2021) 285 FCR 381; [2021] FCAFC 58 (with P M Knowles); AOU21 v Minister for Home Affairs [2021] FCAFC 60; BYN18 v Minister for Home Affairs (2020) 276 FCR 468; [2020] FCAFC 80; KDSP v Minister for Immigration, Citizenship, Migrant Services and Multicultural Affairs (2020) 279 FCR 1; [2020] FCAFC 108 (led by G R Kennett SC, with B K Lim); Russell v Minister for Home Affairs (2019) 275 FCR 334; [2019] FCAFC 110; EVS17 v Minister for Immigration and Border Protection (2019) 268 FCR 299; [2019] FCAFC 20; Hong v Minister for Immigration and Border Protection (2019) 269 FCR 47; [2019] FCAFC 55; DKX17 v Federal Circuit Court of Australia (2019) 268 FCR 64; [2019] FCAFC 10; BZD17 v Minister for Immigration and Border Protection (2018) 161 ALD 441; [2018] FCAFC 94; Minister for Immigration and Border Protection v Maioha (2018) 267 FCR 643; [2018] FCAFC 216 (led by G R Kennett SC); EVA17 v Minister for Immigration and Border Protection (2019) 262 FCR 304; [2018] FCAFC 214; Stowers v Minister for Immigration and Border Protection (2018) 265 FCR 177; [2018] FCAFC 174; BWB16 v Minister for Immigration and Border Protection (2018) 267 FCR 503; [2018] FCAFC 158; (led by G T Johnson SC); DMI16 v Federal Circuit Court of Australia (2018) 264 FCR 454; [2018] FCAFC 95; Cheryala v Minister for Immigration and Border Protection (2018) 260 FCR 169; [2018] FCAFC 43; (led by K A Stern SC); SZVCZ v Minister for Immigration and Border Protection (2017) 252 FCR 540; [2017] FCAFC 130; Gill v Minister for Immigration and Border Protection (2017) 250 FCR 309; [2017] FCAFC 51; Arora v Minister for Immigration and Border Protection (2016) 238 FCR 15; [2016] FCAFC 35; SZTAP v Minister for Immigration and Border Protection (2015) 238 FCR 404; [2015] FCAFC 175; SZTRY v Minister for Immigration and Border Protection [2015] FCAFC 86; Fraser v Minister for Immigration and Border Protection (2015) 145 ALD 337; [2015] FCAFC 48.
Federal Court Appeals
Szajna v Australian Postal Corporation [2014] FCA 1136, (2014) 226 FCR 1.
NSW Court of Appeal
Council of the Law Society of New South Wales v Jafari [2020] NSWCA 53; Council of the Law Society of New South Wales v Levitt [2018] NSWCA 247 (led by C A Webster SC for the Law Society of NSW); Council of the Law Society of NSW v Bouzanis[2017] NSWCA 330; (2017) 97 NSWLR 488 (led by C A Webster for the Law Society of NSW); Hilton v Legal Profession Admission Board [2017] NSWCA 232 (led by C R C Newlinds SC for the Law Society of NSW).
Supreme Court of NSW
Hilton v Legal Profession Admission Board [2016] NSWSC 1617; (2016) 339 ALR 580 (led by C R C Newlinds SC for the Law Society of NSW).
Disciplinary matters in the NSW Civil and Administrative Tribunal
Council of the Law Society of New South Wales v Judah [2022] NSWCATOD 89
Liability limited by a scheme approved under Professional Standards Legislation.
PHONE
+61 2 9224 9788
johnson@pghelychambers.com.au
ADDRESS
Level 9, 75 Elizabeth St
Sydney NSW 2000