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Converged Security Solutions

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Multiple teams. One unifying strategy.

Finding exceptional talent to support key missions and industries

CSS Logo 22 - Thin - White2

Converged Security Solutions (CSS) is a customer-centric holding company managing the growth of IT transformation, cybersecurity, and physical security companies. Through its principal holdings, Evolver and eVigilant, CSS is committed to creating value for its customers through innovative services. Founded in 2018, CSS is a privately-held company headquartered in Reston, Va, via the private investments of Hillcrest Holdings Inc. and Akoya Capital LLC. CSS offers groundbreaking solutions to address the growing complexities in managing and protecting critical infrastructure for federal, state and local, and commercial customers.

The CSS Mission

To achieve extraordinary solutions by building innovative teams, solving customer problems through results-oriented focus and unmatched accountability.

The CSS Vision

CSS consistently builds a high-performance culture, achieving scale for our businesses through an optimal balance of discipline and entrepreneurial drive.

Evolver LLC, a Converged Security Solutions (CSS) company, is a technology company serving the government and commercial customers by addressing client challenges in the present and transitioning customers to the future through innovative IT transformation, cybersecurity services, and eDiscovery solutions. Founded in 2000, delivers mission driven services and solutions that improve security, , promote innovation, and maximize operational efficiency.

Visit Evolver

eVigilant, a Converged Security Solutions (CSS) company, is an established leader in providing innovative, cost-effective, physical security solutions that protect people, assets, and facilities. Founded in 1999, eVigilant safeguards our customers’ critical infrastructure by delivering the most advanced security solutions, integration, and world class service.

Visit eVigilant

Our Customer Markets

Federal Government Contracting

CSS works with government agencies to defend digital information and physical assets, implementing mission-critical IT solutions. Each company has over two decades of experience in contracting, meeting strict compliance standards. Our companies work through contract vehicles including CIO-SP3 and GSA.

Financial Services

CSS prides its ability to professionally support large financial services customers, managing millions in complex transactions. Our IT transformation staff augmentation, and legal eDiscovery solutions showcase our commitment to seamless integration with our customers’ policies and procedures, supporting commercial customers from startups to Fortune 500 brands.

State, Local, and Education (SLED)

We provide solutions for states, cities, and regional governments, including cyber risk management and physical infrastructure projects. We tailor services according to complexity and scale, focusing on a mission to modernize legacy systems and strengthen the ability to withstand modern challenges.

Critical Infrastructure

Through its critical infrastructure teams, CSS helps organizations secure physical assets via design, engineering, monitoring, and operation of state-of-the-art physical security systems. Our expertise includes a broad selection of surveillance, access control, intrusion detection, and biometric technology.

Management Team

Mike
Santelli

Chief Executive Officer

Mike leads CSS with more than 25 years of experience working extensively as a C-Level leader, strategic advisor, and executive partner to private equity backed companies in the government contracting sector. He builds high-performance teams amid a service-first leadership philosophy.

Stephen
Passuth

Chief Financial Officer

Stephen brings a tenure of over 30 years of financial leadership to CSS including 20 years in the role of CFO, with a proven track record of leading government contractors in accelerating growth and achieving success.

Anne
Aakre

SVP, Contracts & Administration

Anne has been a dedicated force within CSS, driving shared services such as contracts, facilities, and HR with a well-earned reputation for establishing key operational processes and day-to-day excellence.

Jamin
Rogovoy

SVP, Business Development

A seasoned business development, strategy, and operations executive with a track record of prioritizing dynamic, quality service to government and commercial customers, including a decade of service in the US Navy.

Operating Company Leaders

Bill
Sabo

President, Evolver


For more than 30 years, Bill has overseen growth, leadership, and operations for organizations in both the government and commercial sectors.

Billy
Conner

President, eVigilant


Billy has served for more than two decades as a strong leader deploying complex strategic programs and services, driving mission success to government and commercial customers.

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Headquarters:
11800 Sunrise Valley Dr, Suite 900
Reston, VA 20191