Pierre Bourgeix, MA, MS, MBA, CPP

Chief Technical Officer
ESI Principal

Cal is an accomplished tactical security officer and security system engineer. He specializes in protecting high value operations in high-threat situations. He combines practical expertise and experience in field security operations with engineering analysis on sensor systems and integrated security technology. Cal has demonstrated experience in the analysis of security risk, specialized technology countermeasures, explosive ordinance disposal, reliability analysis, sensor characterization, and project management.

Benjamin is an accomplished senior security executive with proven skill sets in the field of security risk analysis, threat assessments, security consulting, system design, and project planning for national and international building clients. Mr. Butchko's expertise has been applied in diverse markets such as petrochemical, industrial, medical, corporate, and science research industries. His thought leadership and expertise is in demand at security industry events and forums on such subjects as security assessment, strategic planning, design, and deployment. Benjamin Butchko has developed and executed numerous security strategies, CPTED, risk assessment evaluation, system commissioning and operations integration. Clients see him as a key advisor to their short and long term strategic planning. As President and CEO of Butchko Inc. he guides the mission of the company and ensures that the client’s sustainable value is paramount in any project we take on.


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David Renaudin’s most recent employment was Vice President of Cyber Business Development for MCPc. David was tasked with a building a cyber security program based on a converged security approach, combining cyber, operations, IT, IoT and physical security into one coherent strategy for internal and client focused initiatives

David has over 35 years of IT consulting experience within state and regional government as well as commercial, legal and insurance domains. As Director of IT, he led the design, implementation and ongoing management of an international, multivendor, multiplatform voice/data network servicing more than 340 users, through four company acquisitions. As a senior project manager within the government sector, David led a project to develop and implement a restraining, protective and no contact order registry for the state of Connecticut Judicial Branch as well as several other large municipal endeavors. As a Delivery Manager for Progressive Casualty Insurance Company, David led the External Communications (EC) team, responsible for the design, development and defect resolution for all printed materials within a $700 million program.

David continues to be a leader within the areas of security, IT infrastructure, project management and application development, leveraging his experience with domestic and offshore teams on multimillion-dollar engagements.

He is presently involved in creating security standards for the testing of products, systems, and solutions. Additionally, Pierre is in the process of developing a model that will explain the converged security Kill chain, which will lead to the need for proper predictive analytics across IT, OT, and Physical Security and the development of a converged standard.

Pierre’s experience includes projects throughout the EU, EMEA and APAC including UAE, Saudi Arabia, Qatar, Kuwait, Iraq, UK, Germany, France, and others. Clients include the Kingdom of Saudi Arabia, The US State Department Security Services, the Rand Corp. The US Navy, Hitachi, First Energy, Meridian, Enel Energy, Space X, Con Ed, Anadarko/Occidental Petroleum, Exxon, Biogen, AEP, LenelS2, and Carrier UTC.

Pierre holds master’s degrees in both Behavioral Education and International Business Management, with bachelor’s in History and Political Science. He is a member of the US Naval Institute and is fluent in English, French, and Arabic.

Pierre has spent 30 years as a global security consultant and innovator through his experience with The Rand Corporation, The US State Department, ADT/Tyco Security, HySecurity, Wallace International, SecureState and BoonEdam. Currently Pierre is the CTO and Founder of ESI Convergent, LLC.

Pierre’s primary expertise is Physical and Cyber Security Governance and has had years of experience within the physical security arena, including experience working with the US Secret Service, the NSA and the CIA. Projects include a forensic security assessment for Saudi Aramco, and a forward base security assessments in radar detection, geo fencing, and communications testing for the US Navy in Iraq and Kuwait. Pierre also helped the Saudi government implement long-range video surveillance, gate and fence control systems, and ground sensing systems on the Saudi Arabian border.

From a strong foundation in the physical security, barrier, gate control industry, Pierre’s path has grown to include electronic security, managed services security and finally, the IT and cyber security arena as well. He has spoken at many conferences, manufacturer events and association meetings globally. Pierre is a highly regarded thought leader in the convergence of IT, OT, and Physical Security and is a renowned expert in the integration of converged technology platforms, ranging from large manufacturers to utility companies such as First Energy.

David Renaudin, CISSP

Chief Information Security Officer
ESI Principal

Walter "Cal" Smith
Butchko, Inc.


​About ESI Convergent

ESI Convergent is your trusted advisor for all your security challenges in this ever changing world.  Through our ecosystem of consultants and companies, ESI Convergent has brought together the best of breed to give you, the customer, the most comprehensive and precise fulfillment of all your regional and global security needs. For the last 5 years, ESI Convergent has adopted the bSMART® software platform designed by Butchko, Inc.  This is an Advisory as a Service model, which provides for gap solutions utilizing the Intel Open Vino tool set. Targeted sub-verticals include smart city, smart spaces, government, energy, financial, healthcare, education, and industrial.





Joe is a dynamic and results-driven senior-level Information Technology consultant with over twenty years of demonstrated expertise in almost every aspect of the information and telecommunications field. He is highly skilled in analyzing business requirements, reviewing resources and recommending necessary technology solutions to serve the electronic foundations for today’s businesses. Joe is an expert at developing business process models, completing workflow analysis, eliciting functional and non-functional requirements in addition to facilitating the development of vendor management requirement deliverables.

Joe’s primary focus is being a security core infrastructure architect and manager, able to build and manage IT infrastructure for enterprises with over 10,000 endpoints worldwide. He has experience with managed wireless, IP telephony, Audio/Visual systems, power distribution, electrical construction, educational/government environments, HVAC integration, backup generators, and UPSs.

Joe has been a member of the Northern Ohio InfraGard Conference since June 2012 and has been a Certified Information Systems Security Professional (CISSP) since July 2017. He is an avid sailor and can be found cruising the islands of Lake Erie.

Joe has worked across multiple domains, including law enforcement, municipal government, court operations, corporate environments such as manufacturing, financial services, insurance and health care. His technical competencies include, Cloud Services (Office365, Azure, Colocation), Endpoint services (SCCM, MDT), Microsoft Exchange Server (Hybrid & 365 Migrations), Business Continuity, Security (Compliance, CSIRT, Edge Devices, HIPAA, FERPA, FFIEC, NIST 800-171, ISO27000), Data Center Power Distribution, Planning & Construction, Industrial Electricity (High Voltage Circuits, Prime/Standby Generation, UPS), Microsoft Server/Client Architecture, Cisco IOS, NX-OS, CCTV Systems Analog and IP large scale, and Core Infrastructure (All Network Layers, Active Directory, Unix, Macintosh).

Joe Pinter, CISSP
Chief Information Officer
ESI Principal

Ben Butchko, CPP
President and CEO 

Butchko, Inc.