Mark Clancy's
email & phone

Current Position:

Chief Security Officer at T-Mobile

Experience:

25 years

Location:

Bellevue, Washington, United States

How to contact Mark Clancy

c**@t-mobile.com

+1-***-***-4568

Work Experience

Chief Security Officer at T-Mobile

Jun 2025 - Current

Senior Vice President Cybersecurity at T-Mobile

Apr 2023 - Jun 2025

CISO Advisory Board at Sunday Security

Mar 2022 - Oct 2023

Founder at Cyber Risk Research LLC

Dec 2016 - May 2023

Chief Executive Officer at The Authoriti Network, Inc.

Aug 2020 - Dec 2021

VP Cybersecurity, CISO at Sprint

Jul 2018 - Aug 2020

Chief Executive Officer at Soltra Solutions

Sep 2014 - Nov 2016

Managing Director, Technology Risk Management, CISO at The Depository Trust & Clearing Corporation (DTCC)

Jan 2012 - Jul 2015

Chief Information Security Officer, Managing Director at Depository Trust & Clearing Corporation

Aug 2009 - Jan 2012

Executive Vice President at Citi

Feb 2008 - Aug 2009

Senior Vice President at Citi

Apr 2000 - Feb 2008

Mark Clancy started working in 2000, then the employee has changed 8 companies and 9 jobs. On average, Mark Clancy works for one company for 2 years 10 months.

Education

Bachelor of Science (BS) at Drexel University

Current Company Information T-Mobile

Name: T-Mobile

Speciality: IoT, Retail, 5G for All, Future of 5G, Business Sales, Customer Care, Business Wireless, Consumer Wireless, Technology, Internships & Returnships, DE&I, Benefits & Perks

Location: Bellevue, WA, United States

Employees: 10000+

Description: As the supercharged Un-carrier, T-Mobile US, Inc. (NASDAQ: TMUS) is powered by an award-winning 5G network that connects more people, in more places, than ever before. With T-Mobil...

Frequently Asked Questions

What is Mark Clancy's minimum period of employment in the companies?

Mark Clancy's minimum period of employment in various companies is 1 year 4 months.

What is Mark Clancy's average duration of employment for different companies?

On average, Mark Clancy works for one company for 3 years 1 month

What industries has Mark Clancy worked in?

Mark Clancy works in the Telecommunications. Previously, Mark Clancy worked in the , and Financial Services.

What positions has Mark Clancy held before?

Previously, Mark Clancy worked as a Senior Vice President Cybersecurity, and CISO Advisory Board, and Founder, and Chief Executive Officer, and VP Cybersecurity, CISO.

How do I contact Mark Clancy?

Mark Clancy's email address is c**@t-mobile.com, phone number is +1-***-***-4568. Sign up to get contact details.

Who is the President & CEO of the T-Mobile?

The President & CEO of the T-Mobile is Michael Sievert

Who are Mark Clancy's peers at other companies?

Mark Clancy's peers at other companies are wayne scott and William Walker and Mario Valadez

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Mark Clancy Namesakes

Name

Company

Position

Mark Clancy

igeno

CEO

Mark Clancy's email & phone