Jayakumar Ragunathan

Jayakumar Ragunathan: Email & Phone Number

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​Vice President, Fraud Analytics | AI/ML for Fraud Detection at Citi|Chennai, Tamil Nadu, India

Position:

​Vice President, Fraud Analytics | AI/ML for Fraud Detection at Citi

Location:

Chennai, Tamil Nadu, India

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Last updated: 2026-04-28
Updated: 2026-04-28

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Work Experience 19 years

​Vice President, Fraud Analytics | AI/ML for Fraud Detection at Citi

Oct 2023 - Current

Technical Architect at Citi

May 2020 - Oct 2023

Performance Automation Architect at Tata Consultancy Services

May 2015 - Apr 2020

Senior Java Developer at Tata Consultancy Services

Dec 2011 - Mar 2015

Software Engineer at Infosys

Jul 2009 - Nov 2011

Trainee at Infosys

Aug 2007 - Jun 2008

Jayakumar Ragunathan started working in 2007, then the employee has changed 2 companies and 5 jobs. On average, Jayakumar Ragunathan works for one company for 2 years 11 months.

Their professional focus is Automation, Core Java, and DB2 across 3 core areas.

Education

B.Sc at SRM University

Master of Computer Applications - MCA at University of Madras

X11 at National Hr Sec School

S.S.L.C 2002 M.S.S at The Madras Seva Sadan

Frequently Asked Questions

What is Jayakumar Ragunathan's email address?

SignalHire found a verified business email address for Jayakumar Ragunathan: j**********n@citigroup.com.

What is Jayakumar Ragunathan's phone number?

SignalHire found a verified phone number for Jayakumar Ragunathan: +91-***-***-0319.

How do I contact Jayakumar Ragunathan at Citi?

You can reach Jayakumar Ragunathan through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Jayakumar Ragunathan's professional background?

Jayakumar Ragunathan has 19 years of professional experience. They have held roles including Technical Architect, Performance Automation Architect, and Senior Java Developer at companies such as Citi, Tata Consultancy Services, and Tata Consultancy Services. Their education includes B.Sc from SRM University, and Master of Computer Applications - MCA from University of Madras.

Is Jayakumar Ragunathan's contact information up to date?

Yes. Jayakumar Ragunathan's SignalHire profile was last updated on 28 April 2026, reflecting their current position as ​Vice President, Fraud Analytics | AI/ML for Fraud Detection at Citi in New York, New York, United States.

Jayakumar Ragunathan Namesakes

Name
Company
Position
Jayakumar
sastha interior systems
Site Engineer
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Jayakumar
Regional Technical Manager
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Jayakumar Murugesan
Mechanical preparation
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Other employees at Citi

Name
Company
Position
Abdul Shah
Fraud Analyst
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Kunal Salunke
Credit & Portfolio Intermediate Analyst
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Gopal Prasad
Internal Ombudsman
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Saisree
Full-stack Developer
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Madhushree Iyer
Business Management Analyst
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Shubham katariya
Student
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Shuchi Surti Rathod
Assistant Vice President
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Abhishek Shetty
Vice President Global Business Finance
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Alejandro Alvarado
Personal Banker
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Rudransh Tomar
Machine Learning Engineer
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