John Tomaszewski

Seyfarth Shaw LLP

$ $$$

Milam Street 700
Houston 77002 TX US

John P. Tomaszewski is a partner in the International Data Protection Practice Group of Seyfarth Shaw LLP, and the Co-Lead of the Firm’s Global Privacy & Security (GPS) Special Team. He has significant experience counseling companies regarding data protection and information security throughout the Americas, Europe and Asia. His clients have included a myriad of technology companies as well as financial services, pharmaceuticals, and e-commerce companies of all sizes.

Mr. Tomaszewski has prepared privacy compliance programs for HR departments, cloud service providers, social media companies, and a host of both traditional “brick-and-mortar” and emerging technology clients. He has also developed fair information practice statements, certification practice statements, PKI policies, non-disclosure agreements, and similar information security and confidentiality instruments.

As the inaugural chief privacy officer for CheckFree (now FISERV), Mr. Tomaszewski created both the internally and externally facing global privacy program for the online bill payment leader. As the general counsel of TRUSTe, he ensured that the privacy certification programs for the most successful privacy Trustmark in the world were based on a strong foundation for recognition on an international scale.

Mr. Tomaszewski has been a co-author of several information security and privacy publications, including the PKI Assessment Guidelines and Privacy, Security and Information Management: An Overview, as well as publishing scholarly works of his own on the topic. He has also provided input to the drafting of various security and privacy laws around the world; including the new APEC Cross-Border Privacy Rules system. He is a frequent speaker globally on the topics of cloud computing, self-regulatory organizations, data protection, and cross-border privacy frameworks.

Mr. Tomaszewski graduated from St. Mary’s University School of Law in San Antonio, Texas, where he held the position of Solicitations/Articles Editor of the St. Mary’s Law Journal. He completed his undergraduate work at the University of Texas in Austin.


  • J.D., St. Mary’s University School of Law (1998)
  • B.A., University of Texas, Austin (1992)


Rate : $$$$

Contact for details

Rate and write a review

Your email address will not be published. Required fields are marked *

Is this your profile?Claim it now.

Make sure your information is up to date.
Milam Street 700
Houston 77002 TX US
Get directions

Lina Stillman

Broadway 42
New York 10006 NY US