The Leadership Team

TNS is fortunate to have an executive leadership team that has substantial industry expertise and a deep portfolio of diverse accomplishments. Tasked with driving innovation and growth, this ensemble has helped make TNS a leader in mission-critical solutions across three distinct markets. In addition, they lead, develop and support a company of more than 1,300 employees across 20 countries, residing in 30 offices around the world.


Mike Keegan

Chief Executive Officer

Mike Keegan is TNS’ Chief Executive Officer. He is responsible for setting global strategy for the company and for making the critical decisions to ensure sustainable growth. As CEO, he oversees the network, operations, sales, development and product groups which deliver solutions to thousands of financial organizations, telecom enterprises and payment providers in over 60 countries. Mike’s broad remit also includes responsibility for the administrative functions at TNS, including finance, legal, HR and compliance.


Dennis Randolph

Chief Financial Officer and Treasurer

Dennis Randolph is TNS’ Chief Financial Officer and Treasurer and oversees TNS’ financial operations teams around the world. He is responsible for ensuring financial compliance in the countries TNS operates in and setting the organization’s financial strategy, including long-term investments, internal control processes and budgeting. He also supports larger structured contracts.


Mark Cole

Chief Network Officer

As Chief Network Officer, Mark Cole leads a global team responsible for the network and services provided to TNS’ customers around the world. His group ensures the design, planning, implementation, maintenance and customer service for TNS’ global payments, financial and telecommunications networks.


Jim McLaughlin

General Counsel and Secretary

Jim McLaughlin is TNS’ General Counsel and Secretary. He oversees a team providing legal advice to TNS globally encompassing contracts, employment, regulatory, intellectual property and acquisitions. In addition, he is responsible for the corporate secretary function.


John Tait

Global Managing Director, Payments Market Business

As Global Managing Director of TNS’ Payments market, John Tait is responsible for identifying and driving growth across the Americas, Europe and Asia Pacific regions. He works closely with the senior regional management teams, as well as TNS’ corporate leadership group, to set the company’s Payments strategy. He is focused on working to meet the unique requirements of TNS customers and employees.


Tom Lazenga

General Manager, Financial Markets Business

Tom Lazenga is the General Manager for TNS’ Financial Markets business and is tasked with setting strategy and driving growth for that business, relied on by financial market participants globally. Tom has held responsibilities across finance, operations, product, sales and strategy, and this extensive cross-functional experience ensures he can provide a unique perspective on TNS and the financial markets industry holistically.


Umer Ayub

Chief Risk Officer

Umer Ayub is the Chief Risk Officer at TNS. Reporting to the CEO, Umer delivers on the company’s risk and compliance obligations against applicable industry standards and privacy regulations globally. 


Kent Kling

Chief Security Officer

Kent Kling is the Chief Security Officer for TNS and is based at the company’s headquarters in Reston, Virginia. He is responsible for the development, implementation and management of TNS’ security strategy and programs. He leads a global, results-oriented team of security professionals who are entrusted with various processes to reduce risks, respond to incidents and limit exposure to security vulnerabilities.

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