Confidence to Deploy World-class AI

Appen is the global leader in data for the AI Lifecycle. With over 25 years of experience in data sourcing, data annotation, and model evaluation by humans, we enable organizations to launch the world’s most innovative artificial intelligence systems. Our expertise includes a global crowd of over 1 million skilled contractors who speak over 235 languages, in over 70,000 locations and 170 countries, and the industry’s most advanced AI-assisted data annotation platform. Our products and services give leaders in technology, automotive, financial services, retail, healthcare, and governments the confidence to launch world-class AI products. Founded in 1996, Appen has customers and offices globally. 

Appen at a Glance

Our Leaders

Board of Directors

Richard Freudenstein

Non-Executive Chair

Richard Freudenstein is the Chair of Appen. He was appointed Chair in October 2021 and has been a non-executive director since August 2021. Richard is a director of Coles Group Limited, REA Group Ltd and Cricket Australia, and is a member of the Afiniti Advisory Board. Previously, he was Chairman of REA Group Ltd and a director of Ten Network Holdings Ltd, Foxtel and Astro Malaysia Holdings Berhad. Richard has held the roles of Chief Executive Officer at Foxtel, News Digital Media and The Australian, and was Chief Operating Officer at British Sky Broadcasting. He is currently Deputy Chancellor and Fellow of the Senate at the University of Sydney.

Richard has a Bachelor of Laws (Hons) and a Bachelor of Economics from the University of Sydney.

Mark Brayan

Managing Director

Mark joined Appen in July 2015 as CEO and is responsible for the company’s leadership, strategy, and culture. Mark has over 25 years’ experience in technology and services. Prior to joining Appen, Mark was CEO of MST Global, a provider of technology solutions to the resources sector. Before that he was the CEO of Integrated Research Limited (ASX:IRI), an international software company listed on the Australian Stock exchange. Mark was also COO of the HR outsourcing company Talent2 (ASX:TWO) and CEO of Concept Systems (ASX:CSI) before its merger with Talent2.

Mark has an MBA from the Australian Graduate School of Management and Bachelor of Surveying with 1st Class Honours from the University of NSW.

Steve Hasker

Non-Executive Director

Steve Hasker has been a non-executive Director of Appen since April 2015. He is President and Chief Executive Officer of Thomson Reuters, a global company providing its customers with critical news, information and technology, effective March 15, 2020.

Previously, Steve served as senior advisor to TPG Capital, a private equity firm, chief executive officer of CAA Global, a TPG Capital portfolio company, and global president and chief operating officer of Nielsen, an information, data and measurement firm. He spent more than a decade with McKinsey as a partner in the global media, information and technology practice. 

Before joining McKinsey, Steve worked in several financial roles in the United States, Russia and Australia. He started his career with PwC, where he qualified as a chartered accountant. 

Steve is a non-executive director of Appen Limited and a member of the Australia and New Zealand Institute of Chartered Accountants. He received an MBA and master’s degree in international affairs from Columbia University.

Robin Low

Non-Executive Director

Robin Low has been a non-executive director of Appen since 30 October 2014. Her other directorships include AUB Group Limited (AUB), CSG Limited (CSV), IPH Limited (IPH), Australian Reinsurance Pool Corporation, and she is the deputy chairman of the Auditing and Assurance Standards Board. Previously Robin had a 28 year career at PricewaterhouseCoopers where she was a partner specializing in assurance and risk, mainly in financial services. Robin is also involved with not-for-profit organizations and serves on the boards of Public Education Foundation and Primary Ethics.

Robin has a Bachelor of Commerce from the University of New South Wales and is a Fellow of the Institute of Chartered Accountants.

Deena Shiff

Non-Executive Director

Deena Shiff has been a Non-Executive Director since May 2015. Deena has enjoyed a distinguished business career covering senior roles in the legal profession and in corporate positions. She was a partner in the leading law firm Mallesons Stephen Jaques before rejoining Telstra Corporation where she rose to Group Managing Director. She holds several other non-executive director roles, including Chairman of BAI Communications and director on the board of Infrastructure Australia. She was previously a director of the Citadel Group Limited (ASX:CGL).

Deena holds a degree in law from Cambridge University and a degree in economics from the London School of Economics, both with honors. She is a Fellow of the Australian Institute of Company Directors.

Vanessa Liu

Non-Executive Director

Vanessa was most recently the Vice President of SAP.iO, the early stage venture arm of SAP which invests in and accelerates startups in enterprise technology. She oversaw SAP.iO’s North American Foundries.

Before SAP, Vanessa was the Chief Operating Officer at Trigger Media Group, a digital media incubator. In her role, she co-founded, incubated and oversaw business operations and strategic initiatives of Trigger’s portfolio companies: InsideHook and Fevo.

Previously, Vanessa was an Associate Partner at McKinsey & Company’s Media and Entertainment Practice, based in Amsterdam, London and New York. She was responsible for serving clients in a variety of media and high-tech sectors on issues of digital strategy, emerging market strategy, growth and innovation.

Vanessa graduated magna cum laude highest honors with an AB in psychology from Harvard University and cum laude with a JD from Harvard Law School. She was a Fulbright Scholar at Universiteit Utrecht in the Netherlands. She serves as President of the Harvard Alumni Association.

Stuart Davis

Non-Executive Director

Stuart has over 30 years' experience as an international banker with the HSBC Group including roles in Hong Kong, New York, Taiwan, India and Australia.

Most recently he was CEO of India for the Hongkong and Shanghai Banking Corporation Limited (2009-2012), CEO and Executive Director for HSBC Bank Australia Limited (2002-2009) and CEO HSBC Taiwan (1999-2002).

He was a member of the Australian Bankers Association from 2002 to 2009 and Deputy Chairman from 2006 to 2009.

Stuart holds a LLB from Adelaide University and is a Graduate of the Australian Institute of Company Directors.

Awards & Recognition


Named the 7th largest language service provider in the world in The 2021 Nimdzi 100 Ranking.


Winner of the 2021 BIG Innovation Award for our partnership with Translators without Borders on TICO-19 to enable COVID-19 terms translations to 37 languages.

2017 - 2020

Recognized by Common Sense Advisory (CSA Research) as a global leader in the language services industry.

2017 - 2019

Three-time recipient of the Deloitte Asia Pacific Technology Fast 500™.

2012 - 2019

Six-time winner in the Deloitte Technology Fast 50 Australia Awards years 2012 – 2019. Recognized as #6 in Leadership and #7 in Technology Fast Female.


Winner of the Employer Support of the Guard and Reserve award.


Recognized by the Philippine Council of Organizations on Disability and Empowerment Inc. for practicing and promoting Diversity and Inclusion in the workplace.


Named Growth Company of the Year in the 2019 Australian Growth Company Awards.


Recognized as a winner of Speech Technology Magazine’s Best Speech to Text category in the 2019 People’s Choice Awards


Winner of The Donor Award from Translators Without Borders for significant contribution of transcription and translation services to help TWB achieve its mission.

2014 - 2019

Recognized by FlexJobs as a Top 100 Company to Watch for Remote Jobs 2014-2019, including the #1 ranking in 2017 and 2019.


Recognized as a Deloitte 2018 Asia Pacific Technology Fast 500™ winner.


Recognized as a Deloitte 2017 Asia Pacific Technology Fast 500™ winner.


Received Technology Growth Company of the Year Award in the 2017 Australian Growth Company Awards.


Finalist in the 2014 BRW Momentum Awards for Best Mid-Market Business $50-100MM Category. Finalist in the 2014 Australian Growth Technology Company Awards.


Inaugural winner in 2008 of the Prime Minister’s Exporter of the Year Award and Australian Export Category Winner, Information and Communication Technology Award.

Global Coverage

Providing excellent customer services from nine offices and various locations around the world


Corporate Headquarters 
Level 6, 9 Help Street Chatswood NSW 2067

United States

Int'l Collect: + 1-646-224-1146 

Seattle US Headquarters
12131 113th Ave NE Suite 100 
Kirkland, WA 98034-6944 

Detroit 27280 Haggerty Rd. Suite C-8
Farmington Hills, MI 48331 

Pleasanton 5050 Hopyard Rd. Suite 425
Pleasanton, CA 94588 

San Francisco 940 Howard St.
San Francisco, CA 94103 

Sunnyvale 640 W California Ave. Suite 220
Sunnyvale, CA 94086

United Kingdom

Rockeagle House Pynes Hill Exeter, EX2 5AZ, Devon
 Visit Appen UK


BPO building 1 Suntech iPark Lancaster New City, Barangay Alapan II Imus Cavite, Philippines


Beijing Office 712, 7/F Metropolis Tower, No.2 Haidian Dongsan Street Zhongguancun Xi Zone, Haidian District Beijing, China

Shanghai Unit 701 Block E Chamtime Plaza, No.6 Lane 2889 Jinke Road, Pudong District, Shanghai, China

Wuxi Wuxi branch of Southeast University, 4th floor, Liye Building, Zone E No.99 Linghu Avenue Wuxi, Jiangsu, China

Giving Back

We believe in giving back to our community by supporting numerous international nonprofits. Read more about our commitment to doing business responsibly.