We're committed to AI excellence
Appen provides accurate and reliable human annotated datasets that fuel AI and machine learning for some of the world’s biggest brands. With more than 25 years of industry knowledge, Appen powers many of the AI interactions we experience every day.
Our crowd solutions and expertise empower businesses to achieve their AI goals and make a significant impact in their industry.
Join us as we shape the future of AI and unlock its limitless possibilities.
Our leadership team

Ryan Kolln
Chief Executive Officer

Ryan Kolln
Chief Executive Officer
Ryan Kolln is the Chief Executive Officer and Managing Director of Appen. Ryan brings over 20 years of global experience in technology and telecommunications, along with a deep understanding of Appen’s business and the AI industry.
His professional career began as an engineer, with a focus on mobile network data engineering in Australia, Asia and North America. On completion of an MBA from New York University, Ryan joined The Boston Consulting Group (BCG) in 2011 as a strategy consultant. During his time at BCG he specialised in technology and telecommunications and gained deep strategy expertise across a variety of growth and operational topics.
Joining Appen AI in 2018 as VP of Corporate Development, he led strategic acquisitions like Figure Eight and Quadrant, and supported the establishment of the China and Federal divisions. Prior to his appointment as CEO, he served as Chief Operating Officer, overseeing global operations and strategy.

Justin Miles
Chief Financial Officer

Justin Miles
Chief Financial Officer
Justin is responsible for the finance and corporate functions of the company. He brings over 20 years of experience, including extensive exposure to listed companies within the technology and services sectors. He has a passion for supporting fast paced organisations through periods of growth and change.
Joining Appen in 2016 he has a deep understanding of Appen’s business. With over 5 years as Vice President Finance, he established the finance structure, systems, and processes that scaled, supported exceptional growth, and successfully executed several finance integrations.
Justin was promoted to Interim Chief Financial Officer in August 2023 and was officially appointed Chief Financial Officer in February 2024. Prior to joining Appen, Justin was Group Financial Controller at Rubicor Group Ltd (ASX: RUB) one of the largest networks of specialist recruitment businesses in Australia. Justin holds a Bachelor of Business (Accounting) and is a member of Chartered Accountants Australia and New Zealand.

Roc Tian
SVP and General Manager, Appen China + JK

Roc Tian
SVP and General Manager, Appen China + JK
As the Senior Vice President and General Manager for China, Japan, and Korea, Roc Tian is responsible for overseeing Appen's business strategy, sales, marketing, delivery, operations, and government relationships in these regions. He brings over 20 years of experience in sales, consulting, and management at Fortune 100 companies to his role at Appen. Roc’s invaluable expertise includes his previous role as Senior Partner at IBM GBS, where he led client services, public sector, and enterprise application service lines in China, Hong Kong, and Taiwan. Roc also played a pivotal role in growing IBM's global delivery center in China from 4,000 to over 10,000 employees. Prior to IBM, Roc served as a Business Quality Director at HP's global delivery center in China and was the founder and CTO of a successful tech startup.
Roc holds a Master of Computer Applications and a PhD of Computer Software from Shanghai Jiaotong University.

Helen Attia
Chief People Officer, Appen

Helen Attia
Chief People Officer, Appen
Helen is the Chief People Officer at Appen and is focused on creating a people strategy that supports Appen’s strategic objectives and creating an environment where our people can be their best. Helen brings over 20 years of Human Resources experience from global organisations primarily in the technology and software sector. With a passion for Talent Management and Organisational Development, Helen enjoys supporting organisations through periods of growth and change. Helen holds a Master of Commerce from the University of NSW and an Applied Science degree from the University of Sydney.

Eric de Cavaignac
Chief Transformation Officer and General Manager of Crowd

Brian Haskett
Senior Vice President of Client Management and Operations

Carl Middlehurst
Senior Vice President, General Counsel

Helen Giddings
Vice President of Delivery for Major Accounts

Robert Page
Vice President of Delivery for Strategic Accounts

Si Chen
VP, Strategy & Marketing

Si Chen
VP, Strategy & Marketing
Si is the VP, Strategy & Marketing at Appen. Si brings extensive experience in technology leadership roles and her areas of expertise include traditional AI/ML models, generative AI, multimodal AI systems, intelligent robotics, and AI industry solutions. Prior to joining Appen, Si held leadership positions as Head of Strategy, Partnerships & Operations at Tencent AI & Robotics Lab, and Head of Strategy & Business Development at AWS China. Si holds a Bachelor of Commerce from the University of New South Wales.

Mat Wilcox
VP Sales, Appen

Mat Wilcox
VP Sales, Appen
Mat is the Vice President of Sales at Appen, bringing over 25 years of experience in Enterprise B2B sales across AI, Data Science, and Cloud. Mat has built and led high-performance sales teams both small and large, focusing on delivering exceptional customer outcomes. His tenure of senior field leadership positions at successful start-up exits and large-scale global organizations includes Oracle, Microsoft, Pivotal (VMWare), Coder, Kubecost (IBM), and Appen. Mat holds a Bachelor of Science from Purdue University and a Masters in Business Administration from Duke University.
Appen careers

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Offices
US Headquarters
12131 113th Ave, N.E., Suite 100
Kirkland, WA 98034
Australia Headquarters
Level 6, 9 Help Street Chatswood NSW 2067
Exeter
Rockeagle House Pynes Hill Exeter, EX2 5AZ, Devon
Sydney
9 Help Street, Suite 6, NSW 2067
Shanghai
Unit 01, 7th Floor, No. 6, Lane 2889, Jinke Road, China (Shanghai) Pilot Free Trade Zone
Beijing
Room 08B-18, Block D, 8th Floor, No. 28 Xinxi Road, Haidian District, Beijing
Wuxi
Room E406, 408, 410, 412, 401, 403, 405, 407, 409, 411, Liye Building, University Science Park, No. 20, Qingyuan Road, Xinwu District, Wuxi
Dalian
No. 1, 9th Floor, Unit 1, No. 555, Huangpu Road, Qixianling, Dalian High-tech Industrial Park, Liaoning Province
Chongqing
Building B09, No. 107, Data Valley Middle Road, Xiantao Street, Yubei District, Chongqing
Huainan
4th Floor, Building 2, South Technology Incubator, Taifeng Street, West Huaihe Avenue, Shannan New District, Huainan City, Anhui Province
Tokyo
9F 1-5-1 Shin Marunouchi Building, Marunouchi Chiyoda-ku Tokyo Japan, 100-6509
Cavite
BPO building 1 Suntech iPark Lancaster New City, Barangay Alapan II Imus Cavite, Philippines
Hyderabad
Office 2, Eighth Floor, Tower 1, Sattva Knowledge Park, Raidurg, Hyderabad, Telangana, India - 500081
Hanoi
5F, Viet A Tower, No 9 Duy Tan street, Dich Vong Hau ward, Cau Giay district, Hanoi City, Viet Nam

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