Management Team

Steve Bock – Founder & Chief Executive Officer

Steve Bock is the Founder and CEO of Subsentio. He oversees all aspects of the company’s sales, marketing and operations and has grown the company from a small consulting firm to one of the largest Trusted Third Parties in the United States.

Prior to Subsentio, Mr. Bock served in a variety of management positions in the telecommunications industry including Convergent Communications, IP Services and SS8. While working at SS8, he became immersed in the challenges of electronic surveillance where his passion for providing low cost alternatives led him to form Subsentio.

Mr. Bock has been a strong supporter of law enforcement needs, which is reflected in the many FCC filings, white papers and public statements that Subsentio has made over the years. Mr. Bock is a frequent speaker in a variety of public and private forums on the subject of Lawfully Authorized Electronic Surveillance.


John Scaggs – President & Chief Operating Officer

John Scaggs is the President and COO of Subsentio. He oversees all aspects of the company’s sales, marketing, and operations and is responsible for the planning, development, and implementation of strategy, plans, and procedures for the performance and growth of Subsentio.

Prior to Subsentio, Mr. Scaggs served in a variety of management and executive positions in the enterprise and broadcast media software industries with expertise in workflow solutions, SaaS, IoT, Big Data, Analytics, Mobile, and Machine Learning technologies.

Mr. Scaggs is a veteran of the U.S. Air Force where he served honorably as an air crew member.  He has a B. A. degree from Abilene Christian University.


Marcus Thomas – Chief Strategy Officer

Marcus Thomas is Chief Strategy Officer for Subsentio. Mr. Thomas is a former FBI Assistant Director. He served as Lead Executive to advise, govern, oversee policy, direction, and operations and provide the leadership and general promotion of all FBI operational technologies supporting the FBI’s mission and needs, and those of the Intelligence and Law Enforcement communities.

At the FBI, Mr. Thomas’ program responsibilities included: Electronic Surveillance; Physical Surveillance (Technical Support to Surveillance Ops, Tagging, Tracking and Locating, Friendly Force Tracking/Situational Awareness); Digital Evidence (Computer and Device Forensics, Audio, Video, and Imagery Forensics, Cryptanalysis, Improvised Explosive Device Forensics); Crises Communications – Mobile Command Posts and Land-Mobile Radio Networks; Technical Surveillance Countermeasures; Scientific and Technical Intelligence; Surreptitious Entry; Counter-Encryption; Special Projects; Data Analysis and Visualization: Technical and Forensics Training.

Mr. Thomas holds a Secret/Top Secret Security clearance with the FBI.


Todd McDermott – Chief Security Officer

As Chief Security Officer, Todd McDermott is responsible for the security of Subsentio’s business and technical operations. He will supervise the company’s close cooperation with its communications service provider clients and law enforcement agencies (LEAs) from start to finish during lawfully authorized electronic surveillance to ensure flawless performance of the Subsentio CALEA compliance solutions installed in the client networks, and prompt delivery of evidence to law enforcement.

Todd McDermott joins Subsentio from Verint Systems, Inc. As Vice President, Business Development at Verint from January 1999 through November 2015, Mr. McDermott advanced new technologies for lawful electronic surveillance products, fueling the company’s rapid growth in the United States and Canada.

Prior to Verint, Mr. McDermott served 18 years in the Royal Canadian Mounted Police, with responsibility for research, development and technical oversight of electronic surveillance systems. Mr. McDermott represented the Government of Canada for North American telecommunications standards, contributing to standards for lawful electronic surveillance, and hosted and chaired international law enforcement conferences on electronic surveillance.

Todd McDermott holds a Master’s Degree in Electrical Engineering from Carleton University, Ottawa, Canada, with a field of study in systems and communications engineering.


Tom Gudsnuk – General Manager

Tom Gudsnuk is General Manager for Subsentio.  Along with the company executives he is involved in the development and implementation of strategy, plans, and procedures for the performance and growth of Subsentio.  Further he is tasked with the measure of key operational metrics, managing partners/vendors, and identifying and managing company risks.  Tom brings to Subsentio over 30 years of business experience, including 20 years leading technology companies in various executive roles.

Tom received his undergraduate degree in Management Science from the University of New Haven, completing the degree requirements in 2.5 years.  While working full time, his graduate degrees were completed in the evening programs at the University of Bridgeport where he received a Masters of Business Administration (MBA) and a Juris Doctor degree at the School of Law (now Quinnipiac University).  Tom is a licensed attorney admitted to practice in Connecticut and before the U.S District Court.


Shawn Hannon – Vice President Engineering & Chief Information Security Officer

Shawn Hannon is Vice President of Engineering and Chief Information Security Officer for Subsentio and oversees all aspects of engineering, information technology implementation and support, testing, and cybersecurity.

Prior to Subsentio, Shawn was one of the lead CALEA support engineers at VeriSign running the NetDiscovery™ lab and involved in the engineering, implementing, and testing of all aspects of their CALEA related products. He worked on CALEA solutions with numerous switch manufacturers including Lucent, Nortel, Cisco, Ericsson, Acme Packet, Motorola and ZTE. At VeriSign, Shawn was also involved with supporting multiple law enforcement agencies’ needs including validating and resolving issues with the provisioning, mediation, and delivery of CALEA mandated traffic. This required a working knowledge of several LEA collection devices such as Pen-Link, JSI VB3, and the DCS3000.

Prior to joining VeriSign, Mr. Hannon was the lead network tester and surveillance engineer at AT&T Fixed Wireless where he performed network deployment testing and CALEA implementation and testing for new and existing markets.

Mr. Hannon graduated magna cum laude from City University of Seattle with a Bachelor of Science degree in Computer Systems. In 2014, Mr. Hannon received a Master of Cybersecurity and Leadership Degree from the University of Washington. He has actively belonged to the High Technology Crime Investigation Association (HTCIA) of Washington, the Telecommunication Carriers Forum at ASKCALEA (FBI sponsored forum for CALEA activity), and Information System Security Association.