Founders

Built on experience, not theory.

Our founders have worked together for over 15 years across the DIB.

BS

Brian Stack

Co-Founder & CEO

Cybersecurity and compliance executive with decades of experience across the Defense Industrial Base. Brian's engineering background and deep expertise in systems architecture, NIST frameworks, and DoD security standards drive Stehrling's technical approach to CMMC compliance.

His philosophy is simple: don't force a solution — find the best business decision for the client and walk them across the finish line.

Virginia Tech — Electrical Engineering Systems Architecture NIST Frameworks
KE

Kate Ehrle

Co-Founder & President

Kate brings 30 years of experience in DoD consulting, spanning delivery, project management, business development, and executive roles across global and boutique firms. With more than 15 years leading cybersecurity compliance initiatives across the DIB, higher education, and manufacturing, she offers a unique perspective on both the technical requirements and business realities of CMMC compliance.

She leads client engagements with a focus on practical, sustainable outcomes — not just passing the assessment, but building lasting capability.

10+ Years Executive Leadership DIB Compliance Higher Education
Director
JS

Jason Spezzano

Director, CMMC Consulting

Former Marine Corps Officer with 25+ years of experience in the Federal and Defense markets. Jason is a cybersecurity services delivery leader with deep expertise in risk management, compliance, and cybersecurity operations supporting DoD, Federal, and Critical Infrastructure Sectors.

He specializes in Federal Cyber and Defense Acquisition Policy & Standards, CMMC, NIST 800-171, and NIST 800-53. Recipient of the Presidential Volunteer Award for work supporting the CMMC Standards Working Group (2020–2021) and current member of the CMMC Industry Standards Council (CISC).

USMC Veteran 25+ Years Federal & Defense Presidential Volunteer Award CISC Member
The Broader Team

A bench of specialists, not generalists.

Our team includes certified assessors, practitioners, engineers, and subject matter experts. When your project needs a specific skill set, we match the right person to the work.

CCA

Certified CMMC Assessor capable of conducting official assessments and mock evaluations.

CCPs

Certified CMMC Professionals with deep framework knowledge and implementation expertise.

Registered Practitioners

RPs who guide organizations through readiness and preparation for certification.

Security Engineers

Cloud, network, and infrastructure specialists who understand the technical controls inside and out.

Subject Matter Experts

Database, IAM, and infrastructure specialists pulled in when your project demands specific depth.

Compliance Analysts

Policy, documentation, and process specialists who ensure your compliance posture is assessment-ready.

Work With Us

Want to meet the team?

Start a conversation. We'll match you with the right people for your project.

Talk to a CMMC Expert → View Open Positions

An independent firm focused exclusively on CMMC compliance for defense contractors and the DIB.

Fredericksburg, VA