Mission, Founding Story and Team

DataVisor’s mission is to build and restore trust online. It partners with the largest financial and internet properties in the world to protect them from a wide array of attacks, including fraud, abuse, and money laundering. An industry leader in unsupervised machine learning, DataVisor’s Detection Solution detects attackers without needing training data, and often before they can do damage.

DataVisor is made up of a team of world-class experts in big data infrastructure and machine learning. It builds the world’s most advanced algorithms to fight the world’s most sophisticated online attackers.


Fraud Experts - Yinglian Xie

Yinglian Xie

CEO & Co-Founder

Yinglian has over 10 years of experience in security, specializing in fighting large-scale attacks with AI and Big Data technologies. Previously, Yinglian worked at Microsoft protecting hundreds of millions of users across a wide range of Microsoft products.

Fraud Experts - Fang Yu

Fang Yu

CTO & Co-Founder

Fang spent 8 years at Microsoft Research developing big-data algorithms and systems for identifying various malicious traffic such as worms, spam, bot queries, hijacked accounts, and fraudulent financial transactions across a wide range of Microsoft products. 

Fraud Expert - Julian Wong

David Ting

VP of Engineering

With over 20 years of leadership experience at leading technology companies such as Yahoo, NetEase, and IGN, David is a big believer in combining cutting-edge innovation with scalability, simplicity, and quick time-to-market. 

Fraud Expert - Julian Wong

Julian Wong

VP of Customer Success

As a leader in Trust & Safety at Indiegogo, Etsy and Upwork, Julian developed scalable systems and teams for mitigating fraud and abuse. Julian also led Google’s engineering team responsible for building algorithms to prevent fraud on its ad platform. 

Kohki Yamaguchi

Kohki Yamaguchi

Director of Product

Kohki has spent the last 10 years leading product and marketing for technology companies including Adobe, Origami Logic, and Efficient Frontier. His past work has focused on applying big data analytics and machine learning to solve real-world problems for enterprise companies.

Steve Fine

Steve Fine

Head of Business Development, Financial Services

Steve has over 15 years successfully driving revenue through partnerships, direct sales, and client management at companies in the FinTech, identity verification, fraud prevention, SaaS, and payment processing spaces, including IDology and FSV Payment Systems.

Deveaux Barron

Deveaux Barron

Director of Industry Solutions, Financial Services

Deveaux Barron has over 20 years of expertise in Financial Markets, Advanced Analytics, and AI. She has worked at leading financial technology companies such as Ayasdi, Misys and Deloitte, where she was involved in business development, sales, product strategy, client services.

Wade Ang

Wade Ang

Head of Finance

Wade leads Finance, Accounting, HR and Administration at DataVisor. He has over 15 years of experience leading finance teams with high growth organizations such as Esurance (acquired by Allstate Insurance), Siperian (acquired by Informatica), Ncomputing, Quixey and Monolith.

Kathleen Avery

Kathleen Avery

Head of Talent

Kathleen has over 15 years of experience leading searches for some of Silicon Valley’s fastest growing startups. She previously led Angel Technology Partners, an executive search and angel investment firm. She also founded The Avery Group, a technical consulting firm, and sold to a NASDAQ-listed company for 100x return.

Fraud Expert - Zhong Wu

Zhong Wu

General Manager, China

Prior to DataVisor, Zhong worked at Microsoft Bing on web-scale image search. His past work included scalable infrastructure, high performance systems, and efficient algorithms to improve search relevance from billions of images.

Hailiang Liu

Hailiang Liu

Head of Sales, China

Hailiang has more than 13 years experience in enterprise sales in the big data analytics space. Before he joined Datavisor, he was a Director of Sales for Analytics at SAP, a Business Analytics Solution Executive at IBM, and a Director of Sales, FSI at SAS.

Jun Zheng

Jun Zheng

Head of Customer Success, China

Jun has over 15 years of working experience in the IT industry. He started his career with IBM and later joined the Ontario Public Service. Prior to DataVisor, he led expansions into East and South China for two startup companies.

Wally Wang

Wally Wang

Head of Business Development, SE Asia

Prior to DataVisor, Wally led the Asia expansion for Misfit which was later acquired for $260 million. While working on his PhD at NYU Stern School of Business, he also served as a Data Scientist consultant at various startups. He also interned as a PM at Microsoft.



As one of the world’s largest and most active venture capital firms, NEA has deep domain expertise in technology and healthcare.

Jon Sakoda

General Partner, NEA

Jon is a general partner at NEA and focuses on Software-as-a-Service (SaaS), Infrastructure Software, and Big Data Applications. Jon also co-manages NEA’s seed investment program.

GSR Ventures

With over $1B under management, GSR specializes in early and growth stage tech companies focused on global markets.

Kevin Fong

Advisor, GSR Ventures

Kevin is a special advisor to GSR Ventures, which he co-founded in 2004 to focus on investments in China. Prior to GSR, Kevin was at Mayfield Fund as a Managing Partner for 20 years.


Genesis Capital is a focused, specialized, disciplined investor focusing on growth stage Internet companies in China and USA.

Richard Peng

Founding Partner, Genesis Capital

Richard is a founding partner at Genesis Capital, a highly specialized and disciplined venture capital firm investing in expansion stage Internet companies in China and U.S.A. 

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