About DataVisor

The DataVisor approach combines applied machine learning capabilities with powerful investigative workflows and an intelligence network of more that 4B user accounts to provide real-time fraud signals, insights, and protection to preserve vital trust and security.

Visionary Intelligence

Our mission is to deliver the world’s most sophisticated AI-powered solutions to keep companies and their customers safe from fraud and abuse.

Our products combine breakthrough AI with seamless workflows to enable fraud and data science teams to proactively defeat emerging fraud with speed and agility. 

Our approach draws on the power of proprietary unsupervised machine learning algorithms to detect known and unknown malicious behavior with pinpoint accuracy—all without the need for lengthy training times, large datasets, or frequent re-tuning.


Please meet our team. We are a diverse group of innovators, entrepreneurs, engineers, and industry-recognized leaders in the fields of AI, Big Data, Enterprise Security, and Fraud Protection.

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.

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.

David Cassady

VP of Business Development, Partnerships, and Sales

David brings over two decades of experience to his role, and has previously led several startups through successful IPOs and acquisitions, including Virsa Systems (SAP) and Interwoven (Hewlett-Packard).

Priya Rajan

VP of Marketing

Priya brings two decades of experience holding leadership roles in high-growth technology organizations, including industry leaders VISA and Cisco, and Silicon Valley unicorns Nutanix and Adaptive Insights.

Wade Ang

Head of Finance

Wade heads up Finance, Accounting, HR, and Administration for DataVisor. He has over 15 years of experience leading finance teams at high-growth organizations such as Esurance (acquired by Allstate) and Siperian (acquired by Informatica.

Deveaux Barron

Director of Industry Solutions, Financial Services

Deveaux Barron has over 20 years of wide-ranging experience in financial markets, advanced analytics, and AI. She has previously worked at leading financial technology companies including Ayasdi, Misys and Deloitte.

Kathleen Avery

Head of Talent

Kathleen has extensive experience leading searches for some of Silicon Valley’s fastest growing startups. She previously led Angel Technology Partners, and founded The Avery Group, which was sold to a NASDAQ-listed company at a 100x return.

Zhong Wu

General Manager, China

Prior to DataVisor, Zhong worked at Microsoft Bing on web-scale image search. His work has focused on scalable infrastructure, high-performance systems, and efficient algorithms.

Hailiang Lu

Head of Sales, China

Hailiang has more than a decade of experience in enterprise sales in the big data analytics space. He was previously Director of Sales for Analytics at SAP, and has held similar roles with IBM and SAS.

Jun Zheng

Head of Customer Success, China

Jun has nearly two decades of experience in the IT industry. He began his career with IBM and later joined the Ontario Public Service. He has previously led expansions into East and South China for two startup companies.


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

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

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

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From idea to IPO and beyond, the Sequoia team helps a small number of daring founders build legendary companies.


Intelligent solutions. Informed decisions. Unrivaled results.

DataVisor Fraud Index Report: Q1 2019

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Access proprietary data and research results to discover the latest attack techniques and prevention strategies.

Download the Q1 2019 Fraud Index Report from DataVisor to receive unparalleled data-driven insights into the latest attack trends, and the most effective prevention strategies, based on analysis of over 44 billion events, 800 million users, 396 million IP addresses, and more.

DataVisor Releases dCube

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The AI-powered Fraud Management Solution That Delivers Expanded Control to Data Scientists and Fraud Teams

The AI-powered Fraud Management Solution That Delivers Expanded Control to Data Scientists and Fraud Teams

DataVisor CEO Yinglian Xie Honored in C-Suite Awards from Silicon Valley Business Journal

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We are proud to announce that Yinglian Xie, CEO and co-founder of DataVisor, has been selected to be honored in the CEO…

We are proud to announce that Yinglian Xie, CEO and co-founder of DataVisor, has been selected to be honored in the CEO category of the second annual Silicon Valley Business Journal C-Suite Awards.