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Washington-Based DigiStor Appoints Michael Callahan to Board of Directors

Sep 9, 2026 | By Devin Jacobs

Washington-Based DigiStor Appoints Michael Callahan to Board of Directors

DigiStor, a provider of secure data protection solutions, has appointed Michael Callahan to its Board of Directors.

SUMMARY

  • DigiStor appointed Michael Callahan to its Board.
  • He will support growth and product expansion.
  • DigiStor provides secure data storage solutions.

Callahan’s appointment strengthens DigiStor’s leadership as the company continues to expand its secure storage and data protection products.

Callahan brings decades of experience in building and growing technology companies, with expertise in enterprise infrastructure, data storage and cybersecurity. He currently serves on the Board of Directors at DataDog, where he has been a member since 2011.

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He also advises early-stage companies working on AI-powered enterprise infrastructure software. In 2014, Callahan co-founded Awake Security and served as its founding CEO. He also worked as an Entrepreneur-in-Residence at Greylock and as Chief Technologist for StorageWorks Enterprise NAS at HP.

Earlier in his career, Callahan co-founded PolyServe and served as its CTO. He helped build the company into a provider of scale-out infrastructure for critical enterprise and government systems before it was acquired by HP.

“Michael’s combination of technical expertise, entrepreneurial leadership and deep experience in the markets we serve complements our leadership team,” said DigiStor CEO Dave Withers. “His perspective will be invaluable as we continue to grow DigiStor, expand our capabilities and address the evolving security and data protection requirements of government, defense and enterprise customers.”

“Protecting critical data at rest is becoming more complex as security threats evolve for edge and endpoint clients,” said Callahan. “DigiStor has built a strong foundation in secure, reliable storage for these environments. I’m excited to join the board and help the company build on that foundation as it expands its capabilities, and addresses the next generation of data protection challenges.”

About DigiStor

Founded in 2001, DigiStor provides secure data protection solutions designed to protect critical data from endpoints to the edge. The company serves government, defense, and enterprise organizations with solutions focused on security, compliance, performance, and reliability. DigiStor combines engineering expertise, security knowledge and trusted partnerships to meet the needs of its customers.

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