CI-Discern: Detailed Company Information & Corporate Profile

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Summary

CI‑Discern delivers specialized IT services focused on cybersecurity for critical infrastructure and utilities. Founded in 2024 and headquartered in Charlotte, NC, the firm’s small team of fewer than ten professionals offers a portfolio that spans interim/virtual CISO functions, comprehensive IT/OT security strategy, architecture, design, and planning, as well as C‑suite and board advisory. The practice also addresses governance, risk, compliance and industry‑specific mandates such as NERC‑CIP and TSA Security Directive.

CEO Dillon Dieffenbach leads CI‑Discern alongside a leadership group that includes CTO James Ball, COO Greg Sisson, Managing Director Steve Swick, Threat Intelligence Director Teresa Papaleo Ricci, and other specialists driving expertise in power and utilities cyber security. With an annual revenue range of $1–10 million, the company is positioned to help organizations strengthen resilience while meeting regulatory requirements.

CI-Discern Websiteci-discern.com
Industries
CI-Discern Headquarters AddressCharlotte, NC, US
Company Size1-10 employees
Specialities & ServicesInterim/Virtual CISO, IT/OT Security Strategy, Architecture, Design and Planning, C-Suite and Board Advisory Services, Security Governance, Risk and Compliance, NERC-CIP, TSA Security Directive
Founded2024
Estimated Annual Revenue$1 - 10M
Updated:2026-11-01

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Former Employees: Role Changes

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Dillon Dieffenbach
Dillon DieffenbachCo-Founder and CEO
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Greg Sisson
Greg SissonCo-founder and Chief Operating Officer (COO)
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Steve Swick
Steve SwickManaging Director - Power and Utilities practice lead
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Sean Grieb
Sean GriebSenior Manager
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Jeffrey Sweet
Jeffrey SweetCyber Security Consultant
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James Ball
James BallCo-Founder and Chief Technology Officer
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Jeff Kraftson
Jeff KraftsonMarkets Lead
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Teresa Papaleo Ricci
Teresa Papaleo RicciThreat Intelligence Director, Critical Infrastructure
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Chris Roche
Chris RocheCISO | Director - Energy/ Critical Infrastructure Cybersecurity & Resilience
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James Gibb
James GibbLead OT Security Architect
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Amy Dieffenbach
Amy DieffenbachChief Financial Officer
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Tiffany Duffy
Tiffany DuffySenior Consultant
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Alexander Amaya
Alexander AmayaCritical Infrastructure Cybersecurity Senior Manager
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Aidan Hopper
Aidan HopperAccounting Intern
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Greg McDonagh
Greg McDonaghOT Solutions Lead
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Dillon Dieffenbach
Dillon DieffenbachChief Executive Officer
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CI-Discern Corporate Information: FAQ

CI-Discern operates in the IT Services industries. More details can be found on the official website: ci-discern.com.
CI-Discern has offices located in Charlotte, US.
The headquarters of CI-Discern are located in Charlotte, United States.
CI-Discern currently employs 1-10 people.

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