A NSW Government website
Public Service Commission

Our leadership team

Biographies and information on our senior executives.

Kathrina Lo
Public Service Commissioner

Master of Laws, Bachelor of Laws, Bachelor of Economics, Graduate Diploma in Legal Practice

Kathrina was appointed NSW Public Service Commissioner in April 2020, after previously working as a Deputy Secretary for the Department of Communities and Justice.

Kathrina has extensive public sector experience with both state and federal governments. She has held senior executive roles in the NSW Department of Justice, NSW Audit Office and NSW Information and Privacy Commission. Kathrina is on the Board of the Australia and New Zealand School of Government and is a member of Chief Executive Women.

Kathrina has qualifications in law and economics. She is passionate about working in the public interest, and is a champion for diversity and inclusion.

The Public Service Commissioner is an independent office holder.

Sarah Sandstad
General Counsel

Master of Laws, Bachelor of Laws (Honours), Bachelor of Arts

Sarah joined the PSC as General Counsel in June 2020. Sarah brings a wealth of government legal experience to the role of General Counsel, having over 20 years’ experience in senior legal roles, with time spent as Director Legal, NSW Department of Customer Service and its predecessor the NSW Department of Finance Services and Innovation and as a Senior Solicitor, NSW Crown Solicitor’s Office. 

Tianna Jaeschke
Director, Workforce Strategy and Capability

Bachelor of Commerce (Human Resource Management)

Tianna joined the PSC in January 2022. As well as experience in the private sector, Tianna has 10 years’ experience within the public sector with the NSW Department of Premier and Cabinet, TAFE NSW and the NSW State Emergency Service. With experience in specialist and generalist human resources roles, Tianna has supported and implemented a range of people initiatives and strategies across workforce strategy, talent management and change.