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Sean Lang

Chief, IT Security Group/Chief Information Security Officer at Library of Congress

CISO C-Suite
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Ellicott City, Maryland, United States
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Company Details

Company: Library of Congress
Industry: libraries
Employees: 3200
Revenue: 802128000
HQ Location: Washington, District of Columbia, United States
Company LinkedIn: Pro only

Technology Stack

Cloudflare DNS Microsoft Office 365 CloudFlare Hosting CloudFlare Loop11 Cedexis Radar Multilingual Adobe Media Optimizer WordPress.org Google Tag Manager Vimeo Microsoft-IIS Mobile Friendly Bootstrap Framework Omniture (Adobe) Google Font API Django Kaltura Ruby On Rails JW Player

Professional Summary

Sean Lang is Chief, IT Security Group/Chief Information Security Officer at Library of Congress. Library of Congress operates in the libraries industry and has 3200 employees. Based in Ellicott City, Maryland, United States. Classified as a c-suite-level CISO leader. Their organization's technology stack includes Cloudflare DNS, Microsoft Office 365, CloudFlare Hosting, CloudFlare, Loop11, and 15 other technologies. Library of Congress reports annual revenue of 802128000.

Industry & Role Insights

  • • CTO Rank tracks 2,786 CISO leaders with verified contact information.
  • • There are 67 tech leaders in the libraries industry in our database.
  • • We have verified contacts for 10 tech leaders at Library of Congress.
  • • 4,423 tech leaders in Maryland are available in our database.
C-Suite level · CISO
Verified Apr 30, 2026

Position in the CTO Rank Database

  • • Sean Lang is 1 of 2,823 leaders with the CISO role tracked in the CTO Rank database.
  • • 1 hold the CISO role at libraries companies (out of 67 total libraries leaders in our database).
  • • 72 hold the CISO role in Maryland.
  • • 13 hold the CISO role at companies with 3200 employees.
  • • Typical CISO compensation in Maryland: $220,000 – $480,000 (median $340,000). Composite from levels.fyi, Glassdoor, and Payscale data; adjusted for state cost of labor.

Data compiled from LinkedIn public profiles, company filings, and verified public technology signals. Methodology & sources · Updated May 2026.

Frequently Asked Questions

How do I contact Sean Lang?

Sean Lang has a verified email address on file on CTO Rank. They work at Library of Congress. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.

What company does Sean Lang work for?

Sean Lang is Chief, IT Security Group/Chief Information Security Officer at Library of Congress, a company in the libraries industry with 3200 employees. The company is headquartered in Washington, District of Columbia, United States.

What is Sean Lang's role in technology leadership?

Sean Lang is classified as a CISO leader at the c-suite level.

What technologies does Sean Lang's organization use?

Sean Lang's organization uses a technology stack that includes Cloudflare DNS, Microsoft Office 365, CloudFlare Hosting, CloudFlare, Loop11, Cedexis Radar. This information is useful for sales teams, recruiters, and technology vendors.

Is Sean Lang open to recruiting or new opportunities?

CTO Rank does not track open-to-work status. The best approach is to reach out directly to Sean Lang using the verified contact information available to Pro members. When recruiting a Chief, IT Security Group/Chief Information Security Officer, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.

Can I pitch or sell to Sean Lang at Library of Congress?

Sean Lang is Chief, IT Security Group/Chief Information Security Officer at Library of Congress. CISOs like Sean Lang typically evaluate vendors in Cloudflare DNS, Microsoft Office 365, CloudFlare Hosting, and related categories. Use CTO Rank Pro to get verified email and approach directly.

How accurate is Sean Lang's profile data?

CTO Rank verifies and refreshes profile data weekly. Sean Lang's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.