Professor John Callan
Professor John Callan was appointed in a total of 6 companies and resigned from 4 of these appointments.
Role
Director
Country Of Residence
Northern Ireland
Nationality
British
Date of Birth
March 1973
Occupations
University Professor • Professor
Active
2
Resigned
4
Dissolved
0
Other
0
Total
6
Companies
| Company | Timeline | Status | |
| Calo Scientific Ltd Director • University Professor | 28 Mar 2025←8 Months→Current | Active | |
| Causeway Chemicals Ltd Director • University Professor | 1 Feb 2023←2 Years 7 Months→31 Aug 2025 | Active | |
| Sonotarg Holdings Limited Director • University Professor | 3 Mar 2022←3 Years→31 Aug 2025 | Active | |
| Stimoxygen Ltd Director • University Professor | 9 Mar 2021←2 Years 1 Month→26 Apr 2023 | Active | |
| Klas Therapeutics Limited Director • Professor | 16 Feb 2021←4 Years→Current | Active | |
| Sonotarg Limited Director • University Professor | 23 Oct 2018←6 Years→31 Aug 2025 | Active | |
Mutual People
- Director Timothy John BrundleSonotarg Limited and Klas Therapeutics Limited are mutual companies.
- David Edward AndrewsSonotarg Limited is a mutual company.
- Sarcon Compliance LimitedStimoxygen Ltd is a mutual company.
- Mark Alexander TaylorSonotarg Limited is a mutual company.
Financials, Credit Activity, Owners, and more
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