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Calisen Employee Directory

UtilitiesEngland, United Kingdom501-1000 Employees

Calisen has about 891 employees, nearly all of them in Europe. Engineering and Administrative make up over half of the profiles with a known department. Calisen's workforce spans 25 departments. Calisen's workforce grew 21% between July 2025 and July 2026.

Find Calisen employees' phone numbers or email addresses

Calisen Global Highlights

Location
Employees

Europe
578

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  • United Kingdom Of Great Britain And Northern Ireland
    573
  • Germany
    3
  • Slovakia
    1
  • Spain
    1

Asia
1

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  • United Arab Emirates
    1

North America
1

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  • United States Of America
    1

Oceania
1

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  • Australia
    1

Calisen's Leadership

  • Chief Executive Officer at Calisen
    C. O.
    Chief Executive Officer
    Mobile Phone
  • Chief Financial Officer at Calisen
    B. R.
    Chief Financial Officer
    Mobile Phone
  • Chief Operating Officer at Calisen
    M. B.
    Chief Operating Officer
    Mobile Phone
  • Chief Commercial Officer And General Counsel At Calisen at Calisen
    S. B.
    Chief Commercial Officer And General Counsel At Calisen
    Mobile Phone
  • Head Of Insights & Analytics at Calisen
    L. J.
    Head Of Insights & Analytics
    Mobile Phone
  • Head Of Marketing at Calisen
    M. H.
    Head Of Marketing
    Mobile Phone
  • Head Of Business Readiness at Calisen
    C. R.
    Head Of Business Readiness
    Mobile Phone
  • Head Of Operational Performance And Insights at Calisen
    D. A.
    Head Of Operational Performance And Insights
    Mobile Phone

Calisen Employee Metrics

100%
50%
0%
2026
2025
  • Engineering
  • Finance
  • Analytics
  • Operations
  • Consulting
  • Other
  • Support
  • Customer Success
  • Administrative
  • Human Resources
  • Recruiting

Engineering is the largest department at 36% of profiles with a known department, down from 40% in July 2025, followed by Administrative (19%, up from 1%) and Support (6%, up from 5%).

Contact profiles from Calisen

Name
Title
Contact
Location
Last Update
  • Group Chief People Officer at Calisen
    S. J.
    Group Chief People Officer
    Mobile Phone
    United Kingdom, England
    Oct 16, 2026
  • Chief Executive Officer at Calisen
    C. O.
    Chief Executive Officer
    Mobile Phone
    United Kingdom
    Oct 15, 2026
  • Group Chief Technology Officer at Calisen
    D. B.
    Group Chief Technology Officer
    Mobile Phone
    United Kingdom, England
    Sep 05, 2026
  • Chief Financial Officer at Calisen
    B. R.
    Chief Financial Officer
    Mobile Phone
    United Kingdom, United Kingdom
    Sep 18, 2026
  • Chief Operating Officer at Calisen
    M. B.
    Chief Operating Officer
    Mobile Phone
    United Kingdom, England
    Sep 16, 2026
  • Chief Commercial Officer And General Counsel At Calisen at Calisen
    S. B.
    Chief Commercial Officer And General Counsel At Calisen
    Mobile Phone
    United Kingdom, England
    Sep 02, 2026
  • Head Of Insights & Analytics at Calisen
    L. J.
    Head Of Insights & Analytics
    Mobile Phone
    United Kingdom, Wales
    Apr 16, 2026
  • Head Of Marketing at Calisen
    M. H.
    Head Of Marketing
    Mobile Phone
    United Kingdom
    Oct 02, 2026
  • Head Of Business Readiness at Calisen
    C. R.
    Head Of Business Readiness
    Mobile Phone
    United Kingdom, England
    Jun 28, 2026
  • Head Of Operational Performance And Insights at Calisen
    D. A.
    Head Of Operational Performance And Insights
    Mobile Phone
    United Kingdom, England
    Apr 16, 2026

Frequently Asked Questions

What are the largest departments at Calisen?

Minus sign iconPlus sign iconEngineering is the largest department at 36% of profiles with a known department, down from 40% in July 2025, followed by Administrative (19%, up from 1%) and Support (6%, up from 5%). Calisen's workforce spans 25 departments.

How has Calisen's workforce changed over the past year?

Minus sign iconPlus sign iconCalisen's workforce grew 21% between July 2025 and July 2026. Engineering's share of profiles with a known department fell from 40% to 36%.

How many employees does Calisen have currently?

Minus sign iconPlus sign iconCalisen has approximately 891 employees as of October 2026. These team members are located across 4 continents, including Europe, Asia and North America.

Who are Calisen's key employees and leadership?

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As of October 2026, Calisen's key employees include:

  • Chief Executive Officer: C. O.
  • Chief Financial Officer: B. R.
  • Chief Operating Officer: M. B.
  • Chief Commercial Officer And General Counsel At Calisen: S. B.
  • Head Of Insights & Analytics: L. J.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

What is Calisen's most common email format?

Minus sign iconPlus sign iconCalisen employees' email format typically follows the pattern of First.Last@calisen.com. Trying to find reliable and up-to-date employee contact data? Find more Calisen email formats with LeadIQ.

What is Calisen known for?

Minus sign iconPlus sign iconCalisen operates in the Utilities industry. Explore Calisen's company overview page for more information.

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