MK

Mary Killian

Administrative Assistant To Chief Information Officer and Chief Information Security Officer at Republic Services

CIO C-Suite
m***@republicservices.com Sign up
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Phoenix, Arizona, United States

Company Details

Employees: 42000
Revenue: 16032000000
HQ Location: Phoenix, Arizona, United States
Company LinkedIn: Pro only

Professional Summary

Mary Killian is Administrative Assistant To Chief Information Officer and Chief Information Security Officer at Republic Services. Republic Services operates in the environmental services industry and has 42000 employees. Based in Phoenix, Arizona, United States. Classified as a c-suite-level CIO leader. Their organization's technology stack includes Amazon CloudFront, DNS Made Easy, Route 53, Microsoft Office 365, Amazon AWS, and 42 other technologies. Republic Services reports annual revenue of 16032000000.

Industry & Role Insights

  • CTO Rank tracks 16,373 CIO leaders with verified contact information.
  • There are 3,316 tech leaders in the environmental services industry in our database.
  • We have verified contacts for 12 tech leaders at Republic Services.
  • 4,049 tech leaders in Arizona are available in our database.
C-Suite level · CIO
Verified Apr 20, 2026

Position in the CTO Rank Database

  • Mary Killian is 1 of 16,634 leaders with the CIO role tracked in the CTO Rank database.
  • 126 hold the CIO role at environmental services companies (out of 3,333 total environmental services leaders in our database).
  • 135 hold the CIO role in Arizona.
  • 23 hold the CIO role at companies with 42000 employees.
  • Typical CIO compensation in Arizona: $230,000 – $500,000 (median $360,000). 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 Mary Killian?

Mary Killian has a verified email address on file on CTO Rank. They work at Republic Services. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.

What company does Mary Killian work for?

Mary Killian is Administrative Assistant To Chief Information Officer and Chief Information Security Officer at Republic Services, a company in the environmental services industry with 42000 employees. The company is headquartered in Phoenix, Arizona, United States.

What is Mary Killian's role in technology leadership?

Mary Killian is classified as a CIO leader at the c-suite level.

What technologies does Mary Killian's organization use?

Mary Killian's organization uses a technology stack that includes Amazon CloudFront, DNS Made Easy, Route 53, Microsoft Office 365, Amazon AWS, Atlassian Cloud. This information is useful for sales teams, recruiters, and technology vendors.

Is Mary Killian open to recruiting or new opportunities?

CTO Rank does not track open-to-work status. The best approach is to reach out directly to Mary Killian using the verified contact information available to Pro members. When recruiting a Administrative Assistant To Chief Information Officer and 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 Mary Killian at Republic Services?

Mary Killian is Administrative Assistant To Chief Information Officer and Chief Information Security Officer at Republic Services. CIOs like Mary Killian typically evaluate vendors in Amazon CloudFront, DNS Made Easy, Route 53, and related categories. Use CTO Rank Pro to get verified email and approach directly.

How accurate is Mary Killian's profile data?

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