Grant Thornton names Partho Ghatak as Chief Information Security Officer


CHICAGO — Grant Thornton LLP has named Partho Ghatak as its chief information security officer (CISO).

As CISO, Ghatak will steer Grant Thornton’s information security needs and advise senior leadership on all matters related to the integrity and confidentiality of critical business information and systems. He will be responsible for the practices and tools that reduce risks to information security and technology, while also preventing and responding to security incidents. In addition, he will establish security policies, standards and controls, manage security technologies, and implement business and risk-aligned information security and risk management programs — defending the firm against cyber-attacks and the emerging threat landscape.

Ghatak brings with him 20 years of experience in information security roles across a variety of industries, including health care, manufacturing, transportation and consulting services. Before joining Grant Thornton, he held senior roles helping Fortune 500 companies to securely drive innovative business solutions.

He holds multiple industry certifications, such as certified chief information security officer (CCISO), certified information security manager (CISM), certified information systems auditor (CISA), certified risk and information systems control (CRISC), certified data privacy and security engineer (CDPSE) and certified Microsoft Azure practitioner. He is also certified in IT infrastructure library (ITIL).

“Partho is a talented and knowledgeable leader who understands that information security is at the core of an effective business,” says Jamie Fowler, chief transformation officer at Grant Thornton. “He is the perfect person to continue enhancing our firm’s security efforts in our ever-evolving world. His proven track record building world class operations will be integral to our continued success.”

Ghatak holds a bachelor of science in applied computer science and a master of science in physics from University of Jabalpur, India.



About Grant Thornton LLP

Grant Thornton LLP (Grant Thornton) is one of America’s largest providers of audit and assurance, tax and advisory services — and the U.S. member firm of the Grant Thornton International Ltd global network. We go beyond the expected to make business more personal and build trust into every result. With revenues of $2.4 billion for the fiscal year that ended July 31, 2023, and almost 50 offices nationwide, Grant Thornton is a community of more than 9,000 problem solvers who value relationships and are ready to help organizations of all sizes and industries create more confident futures. Because, for us, how we serve matters as much as what we do. 


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