Calculus VCT PLC (CLC) Board of Directors | Ticker | TickerEK
Elizabeth Klein
Investment Director
–
John Glencross
CEO and Co-Founder
–
DH
Head of Portfolio Management
–
JE
Janice Elizabeth Ward
Director
7 yrs 2 mosAge: 68British
HK
Hemant Kumar Mardia
Director
2 yrs 3 mosAge: 64British
AM
Alexander Mervyn Colville Crawford Co-Head of Investments
1 mosAge: 60British
| Name | Role | Appointed | Tenure | Nationality |
|---|
| Chairman and Co-Founder | – | – | – |
| Investment Director | – | – | – |
|
Arthur John Glencross
Director
Tenure: 16 yrs 1 mosResigned: 31 Mar 2026
Tenure: 5 yrs 2 mosResigned: 30 Sept 2025
Tenure: 4 yrs 11 mosResigned: 31 Dec 2023
Kate Cornish Bowden
Director
Tenure: 9 yrs 5 mosResigned: 3 Jul 2020
Michael O'higgins
Director
Tenure: 9 yrs 5 mosResigned: 4 Jul 2019
Diane Seymour-Williams
Director
EK
Elizabeth Klein
Investment Director
–
John Glencross
CEO and Co-Founder
–
DH
Head of Portfolio Management
–
JE
Janice Elizabeth Ward
Director
7 yrs 2 mosAge: 68British
HK
Hemant Kumar Mardia
Director
2 yrs 3 mosAge: 64British
AM
Alexander Mervyn Colville Crawford Co-Head of Investments
1 mosAge: 60British
| Name | Role | Appointed | Tenure | Nationality |
|---|
| Chairman and Co-Founder | – | – | – |
| Investment Director | – | – | – |
|
Arthur John Glencross
Director
Tenure: 16 yrs 1 mosResigned: 31 Mar 2026
Tenure: 5 yrs 2 mosResigned: 30 Sept 2025
Tenure: 4 yrs 11 mosResigned: 31 Dec 2023
Kate Cornish Bowden
Director
Tenure: 9 yrs 5 mosResigned: 3 Jul 2020
Michael O'higgins
Director
Tenure: 9 yrs 5 mosResigned: 4 Jul 2019
Diane Seymour-Williams
Director
John Glencross
| Head of Portfolio Management | – | – | – |
| Co-Head of Investments | – | – | – |
| Director | 1 Mar 2019 | 7 yrs 2 mos | British |
| Director | 22 Feb 2024 | 2 yrs 3 mos | British |
AM Alexander Mervyn Colville Crawford | Co-Head of Investments | 1 Apr 2026 | 1 mos | British |
Tenure: 1 yrs 5 mosResigned: 28 Feb 2019
Tenure: 8 yrs 10 mosResigned: 31 Dec 2018
Mark Gary Rayward
Director
Tenure: 2 yrs 5 mosResigned: 17 Jul 2012
Philip Hilary Swatman
Director
Tenure: 2 yrs 5 mosResigned: 17 Jul 2012
Ian Robert Wohlman
Director
Tenure: 1 yrs 4 mosResigned: 30 Jun 2011
Christopher Paul James Wightman
Director
Tenure: 1 yrsResigned: 10 Feb 2011
Mr. Daniel Robert Johnson
Director
Tenure: 0 mosResigned: 10 Feb 2010
| Name | Role | Appointed | Resigned | Tenure | Nationality |
|---|
| Arthur John Glencross | Director | 10 Feb 2010 | 31 Mar 2026 | 16 yrs 1 mos | British |
| Janine Nicholls | Director | 3 Jul 2020 | 30 Sept 2025 | 5 yrs 2 mos | British |
| Claire Olsen | Director | 3 Jan 2019 | 31 Dec 2023 | 4 yrs 11 mos | British |
| Kate Cornish Bowden | Director | 10 Feb 2011 | 3 Jul 2020 | 9 yrs 5 mos | British |
| Michael O'higgins | Director | 22 Feb 2010 | 4 Jul 2019 | 9 yrs 5 mos | Irish |
| Diane Seymour-Williams | Director | 13 Sept 2017 |
John Glencross
| Head of Portfolio Management | – | – | – |
| Co-Head of Investments | – | – | – |
| Director | 1 Mar 2019 | 7 yrs 2 mos | British |
| Director | 22 Feb 2024 | 2 yrs 3 mos | British |
AM Alexander Mervyn Colville Crawford | Co-Head of Investments | 1 Apr 2026 | 1 mos | British |
Tenure: 1 yrs 5 mosResigned: 28 Feb 2019
Tenure: 8 yrs 10 mosResigned: 31 Dec 2018
Mark Gary Rayward
Director
Tenure: 2 yrs 5 mosResigned: 17 Jul 2012
Philip Hilary Swatman
Director
Tenure: 2 yrs 5 mosResigned: 17 Jul 2012
Ian Robert Wohlman
Director
Tenure: 1 yrs 4 mosResigned: 30 Jun 2011
Christopher Paul James Wightman
Director
Tenure: 1 yrsResigned: 10 Feb 2011
Mr. Daniel Robert Johnson
Director
Tenure: 0 mosResigned: 10 Feb 2010
| Name | Role | Appointed | Resigned | Tenure | Nationality |
|---|
| Arthur John Glencross | Director | 10 Feb 2010 | 31 Mar 2026 | 16 yrs 1 mos | British |
| Janine Nicholls | Director | 3 Jul 2020 | 30 Sept 2025 | 5 yrs 2 mos | British |
| Claire Olsen | Director | 3 Jan 2019 | 31 Dec 2023 | 4 yrs 11 mos | British |
| Kate Cornish Bowden | Director | 10 Feb 2011 | 3 Jul 2020 | 9 yrs 5 mos | British |
| Michael O'higgins | Director | 22 Feb 2010 | 4 Jul 2019 | 9 yrs 5 mos | Irish |
| Diane Seymour-Williams | Director | 13 Sept 2017 |
| Steven Guy Meeks | Director | 10 Feb 2010 | 31 Dec 2018 | 8 yrs 10 mos | United Kingdom |
| Mark Gary Rayward | Director | 22 Feb 2010 | 17 Jul 2012 | 2 yrs 5 mos | British |
| Philip Hilary Swatman | Director | 22 Feb 2010 | 17 Jul 2012 | 2 yrs 5 mos | British |
| Ian Robert Wohlman | Director | 22 Feb 2010 | 30 Jun 2011 | 1 yrs 4 mos | British |
| Christopher Paul James Wightman | Director | 22 Feb 2010 | 10 Feb 2011 | 1 yrs | British |
| Mr. Daniel Robert Johnson | Director | 1 Feb 2010 | 10 Feb 2010 | 0 mos | British |
| Steven Guy Meeks | Director | 10 Feb 2010 | 31 Dec 2018 | 8 yrs 10 mos | United Kingdom |
| Mark Gary Rayward | Director | 22 Feb 2010 | 17 Jul 2012 | 2 yrs 5 mos | British |
| Philip Hilary Swatman | Director | 22 Feb 2010 | 17 Jul 2012 | 2 yrs 5 mos | British |
| Ian Robert Wohlman | Director | 22 Feb 2010 | 30 Jun 2011 | 1 yrs 4 mos | British |
| Christopher Paul James Wightman | Director | 22 Feb 2010 | 10 Feb 2011 | 1 yrs | British |
| Mr. Daniel Robert Johnson | Director | 1 Feb 2010 | 10 Feb 2010 | 0 mos | British |
