X4 Pharmaceuticals Employee Directory

Biotechnology ResearchMassachusetts, United States51-200 Employees

We are a fully integrated, commercial-stage biopharmaceutical company driving progress for people living with rare immune disorders. We listen to people whose challenges have been long overlooked, understand their needs, and develop solutions to their most urgent and critical health concerns. Our FDA-approved medication XOLREMDI® (mavorixafor) is commercially available in the U.S. in its first indication. We are evaluating mavorixafor in additional potential indications, and have an ongoing global, pivotal Phase 3 clinical trial for its use in chronic neutropenia. Our corporate headquarters is in Boston, Massachusetts.

Find X4 Pharmaceuticals employees' phone numbers or email addresses

X4 Pharmaceuticals Global Highlights

Location
Employees

North America
98

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  • United States Of America
    98

Europe
11

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  • Austria
    6
  • Italy
    1
  • Germany
    1
  • Romania
    1
  • United Kingdom Of Great Britain And Northern Ireland
    1
  • Belgium
    1

Asia
1

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  • India
    1

X4 Pharmaceuticals's Leadership

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    N. T.
    Chief Legal And Compliance Officer
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    M. D.
    Chief Operating Officer
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  • Stylized image of a person
    D. K.
    Chief Financial Officer
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    L. K.
    Chief Medical Officer
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    S. P.
    Chief Marketing Officer
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    K. D.
    Vice President Of Global Supply Chain
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    S. D.
    Vp Pharmacovigilance & Risk Management
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    J. F.
    Vice President Cmc And Technical Development
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X4 Pharmaceuticals Employee Metrics

100%
50%
0%
2026
2025
  • Operations
  • Quality Assurance
  • Research
  • Engineering
  • Program & Project Management
  • Other
  • Biotechnology
  • Community & Social Services
  • Legal
  • Entrepreneurship
  • Sales

Contact profiles from X4 Pharmaceuticals

Name
Title
Contact Info
Location
Last Update
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    N. T.
    Chief Legal And Compliance Officer
    Phone icon
    United StatesMassachusetts
    Apr 02, 2025
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    M. D.
    Chief Operating Officer
    Phone icon
    United StatesMassachusetts
    Jan 27, 2026
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    A. C.
    Executive Chairman
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    United Kingdom
    Feb 04, 2026
  • Stylized image of a person
    D. K.
    Chief Financial Officer
    Phone icon
    United StatesMassachusetts
    Jan 29, 2026
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    L. K.
    Chief Medical Officer
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    Oct 17, 2024
  • Stylized image of a person
    S. P.
    Chief Marketing Officer
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    Oct 18, 2024
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    D. S.
    Head Of Talent Acquisition
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    United StatesMassachusetts
    Feb 05, 2026
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    M. J.
    Vice President, Clinical Operations
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    United StatesMassachusetts
    Jan 30, 2026
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    J. E.
    Vice President, Sales And Marketing
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    United StatesMassachusetts
    Oct 30, 2025
  • Stylized image of a person
    T. N.
    Vice President, Commercial Operations
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    United StatesMassachusetts
    Dec 09, 2024

Frequently Asked Questions

What is X4 Pharmaceuticals known for?

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X4 Pharmaceuticals was founded in 2014 operates in the Biotechnology Research industry. The company's main headquarters is located in 61 North Beacon Street Boston, Massachusetts 02134 United States; you can contact the main corporate office by phone at . Explore X4 Pharmaceuticals's company overview page for more information.

What is X4 Pharmaceuticals's most common email format?

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X4 Pharmaceuticals employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more X4 Pharmaceuticals email formats with LeadIQ.

How many employees does X4 Pharmaceuticals have currently?

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X4 Pharmaceuticals has approximately 83 employees as of February 2026. These team members are located across 3 continents, including North AmericaEuropeAsia.

Who are X4 Pharmaceuticals's key employees and leadership?

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As of February 2026, X4 Pharmaceuticals's key employees include:

  • Chief Legal And Compliance Officer: N. T.
  • Chief Operating Officer: M. D.
  • Chief Financial Officer: D. K.
  • Chief Medical Officer: L. K.
  • Chief Marketing Officer: S. P.

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