John: Email & Phone Number

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Head, Cybersecurity at Perceptive Inc.|India

Position:

Head, Cybersecurity at Perceptive Inc.

Location:

India

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Last updated: 2026-07-31

Updated: 2026-07-31

Found email addresses for John:

Business emails:

j*************n@delta.com,

j***********n@delta.com,

j****j@calyx.ai

Personal emails:

j********i@yahoo.com,

j**************h@gmail.com

Found phone for John:

+91-***-***-4687

A different John?

Work Experience 20 years

Head, Cybersecurity at Perceptive Inc.

Dec 2020 - Current

Senior Manager, IT Security at Parexel

Dec 2019 - Dec 2020

Sr. Manager, IT Security at YASH TECHNOLOGIES

Apr 2019 - Dec 2019

Manager, IT Security at Virtusa

May 2018 - Apr 2019

Risk Assurance Manager, IT Security at CDK Global

Nov 2016 - May 2018

Lead, IT Security at UnitedHealth Group

Oct 2015 - Oct 2016

Consultant, IT Security at ADP

Sep 2009 - Oct 2015

Adjudicator- Information Security at Tech Mahindra

Apr 2006 - Sep 2009

John started working in 2006, then the employee has changed 7 companies and 7 jobs. On average, John works for one company for 2 years 6 months.

John is proficient in English, Hindi, and Tamil. Their professional focus is Agile Project Management, Amazon Web Services (AWS), and Application Security Architecture across 3 core areas.

John holds Cybersecurity Architect Expert, Cyber Crime Intervention Officer, and API Security Architect certifications and has been awarded NextCSO, IT Next100 Honoree - 2019, and CSO100 Honoree - 2019

Education

Master- Information Security at Osmania University

Doctor of Philosophy - PhD at Osmania University

Frequently Asked Questions

What is John's email address?

SignalHire found verified email addresses for John, both business and personal. Their business email is j*************n@delta.com, and personal emails include j********i@yahoo.com, and j**************h@gmail.com.

What is John's phone number?

SignalHire found a verified phone number for John: +91-***-***-4687.

How do I contact John at Perceptive Inc.?

You can reach John 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 John's professional background?

John has 20 years of professional experience. They have held roles including Senior Manager, IT Security, Sr. Manager, IT Security, and Manager, IT Security at companies such as Parexel, YASH TECHNOLOGIES, and Virtusa. Their education includes Master- Information Security from Osmania University, and Doctor of Philosophy - PhD from Osmania University.

Is John's contact information up to date?

Yes. John's SignalHire profile was last updated on 31 July 2026, reflecting their current position as Head, Cybersecurity at Perceptive Inc. in Redwood City, California, United States.

John Namesakes

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Company

Position

John

Grant Thornton Advisors

Senior Associate

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John

UCI Health – Placentia Linda

Registered Nurse

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John

University of Minnesota Medical Center, Fairview

Registered Nurse

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Other employees at Perceptive Inc.

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Company

Position

Fatina Fan

Perceptive Inc.

Proposals and Contracts Lead

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Mane Sri Bhavya Sai

Perceptive Inc.

Software Engineer Intern

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Mahesh

Perceptive Inc.

Technical Support Engineer

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Twinkle Jarecha

Perceptive Inc.

Project Coordinator

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Pavani Kallam

Perceptive Inc.

Senior Medical Imaging Research Specialist

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QIAN CHENG

Perceptive Inc.

Associate Medical Director

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Riku Lu

Perceptive Inc.

China Operation Head

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Sahil Rohira

Perceptive Inc.

Manager, Quality and Test

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Bhargav Killi

Perceptive Inc.

Technical Analyst eClinical Research

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Vinicius Ludwig

Perceptive Inc.

Associate Scientific Director - RLT

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