Stephen Marchewitz

Visionary
DISC Type : Ds

VP-Quantum Security at Qryptonic, LLC

Cleveland, Ohio, United States

Overview

Stephen Marchewitz is a revenue growth executive with over 20 years of experience in IT and cybersecurity. He specializes in secure digital transformation, AI governance, and Post-Quantum Encryption. He holds an MBA from Case Western Reserve University and colleagues describe him as insightful and knowledgeable, with unique perspectives on cybersecurity.

Stephen is an alumnus of the University of Michigan and maintains an active interest in the institution. Based on his alma mater, he likely follows the universitys sports teams and activities.

Unique fact: His firm, Qryptonic, is the first cybersecurity company to use actual quantum computers for penetration testing and hardening defenses.

Personality Overview

Fast But Thoughtful

Early Adopter

Direct & Assertive

They are very professional in their approach and can weigh multiple perspectives together.  They exhibit a rare combination of being result-oriented but patient at the same time. They might take some time to make their mind up but once they do, they don't change it easily.

Topics They Care About

Quantum Security
As VP of Quantum Security at Qryptonic, he is focused on Post-Quantum Cryptography (PQC), risk assessments, and quantum penetration testing to address future threats.
AI Governance
Advises on AI security and created the "AI Strategic Suite" at Growthential to help senior leaders align AI with business goals and manage risk.
Revenue Growth
His career is focused on building growth programs and aligning sales, marketing, and customer success to drive revenue, particularly within the cybersecurity sector.

Media Appearances

Stephen has no verified media appearances

Work History

11-2025
VP-Quantum Security at Qryptonic, LLC
10-2025
Consulting Engineer at CDW
8-2025
Strategic Information Security and Risk Advisor | AI Strategic Suite at Growthential
8-2024 - 7-2025
Vice President at CyberGuard Advantage, LLC
7-2024
Operating Advisor at Intrepid Intelligence

Education

BA from University of Michigan
MBA from Weatherhead School of Management at Case Western Reserve University

More Information

Social Presence :

Prographics :

Exp : 22 Location : Cleveland, Ohio, United States Job Level : Mid-senior Designation : VP-Quantum Security at Qryptonic, LLC

Interested in

Sports

Boxing Club

Lifestyle

Writer for the Weathervane Newspaper

URL has been copied!

Insights For Selling To Stephen

During A Call Or A Meeting

DO's

  • Let them know of potential risks but suggest mitigation methods alongside
  • Suggest clear next steps with confidence, don't be vague or hesitant
  • Focus on the results that your product produces, expect some strategic questions in return

DONT's

  • Don't focus too much on mutual contacts or bother about other stakeholders, focus on them
  • Don't go over them unless you are left with no other option
  • Don't shy away from asking hard questions, but be extra polite

When Cold Calling

When Writing An Email

While Negotiating & Closing

    The secret to closing fast with Stephen is

  • Strong proof of impact and their conviction will matter the most, but they wouldn't want to act unilaterally either
  • Will you ever get a clear answer from Stephen

  • They will say no if they are not convinced but you will have to prompt them.

Insights For Deal Planning

    How fast (or slow) will Stephen move?

  • They will want to understand things well but can move fast once they have a clear picture.
  • Can Stephen take some risk or not?

  • They have good risk tolerance but are likely to think it through once or twice.

You And Stephen

Personality Compatibility


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