Mr James Jay Macdonald
chief executive officerAMERICANUNITED KINGDOMBorn May 1974
Current Appointments1
Yellowstone Biosciences Limited
Activedirector · Since 15/09/2025
Summary
Current roles1
Former roles0
Occupationchief executive officer
NationalityAMERICAN
Based inUNITED KINGDOM
DOBBorn May 1974
Risk flags None detected
Financial FootprintActive cos.
Combined net worth£53
Based on latest filed accounts for 1 of 1 active companies.
Frequently Works With
Data sourced from Companies House public register. Financial data from filed accounts. Updated as filings are processed.