| DOWELL, Lynne ACTIVE | Secretary | 30 Apr 2022 | | | | Unit 2, Newnham Drive, Daventry, NN11 8YN, England |
| APFELBAUM, Norman ACTIVE | Director | 28 Feb 2023 | | Germany | September 1977 | 12, Hans-Böckler-Strasse, 37079 Göttingen, Germany |
| DORMAN, Christopher, Dr ACTIVE | Director | 15 Aug 2019 | | Scotland | January 1972 | Coherent Scotland Ltd, Todd Campus, West Of Scotland Science Park, Maryhill Road, Glasgow, G20 0XA, United Kingdom |
| FOURNIER, Stéphane Guy Michel ACTIVE | Director | 28 Feb 2023 | | France | August 1970 | Coherent France Sas, Zi De La Petite Montagne Sud, 14-16, Allée Du Cantal, 91090 Lisses, France |
| LACERDA, Victoria Maria Silveira ACTIVE | Director | 01 Sep 2025 | | United States | October 1983 | 5100, Patrick Henry Drive, Santa Clara, California, CA 95054, United States |
| BEAMAN, Roger Alan RESIGNED | Secretary | 31 Oct 2003 | 30 Apr 2022 | | | 17 Willow Green, Needingworth, St. Ives, Cambridgeshire, PE27 4SW |
| COUSINS, David RESIGNED | Secretary | | 31 Oct 2003 | | | 42 Wood End, Bluntisham, Huntingdon, Cambridgeshire, PE28 3LE |
| VERNEY, Jean Margaret RESIGNED | Secretary | 17 Jan 2000 | 01 May 2001 | | | 40 School Lane, Toft, Cambridge, CB3 7RE |
| AMBROSEO, John R RESIGNED | Director | 14 Oct 2002 | 14 Apr 2008 | | April 1961 | 461 Heather Court, Los Altos, Santa Clara, California, 94022, Usa |
| ANTHONY, Robert Byron RESIGNED | Director | 30 Jun 1996 | 23 Apr 2013 | Usa | October 1948 | 6771 E Zayante Road, Felton, California Ca 95018, Usa |
| BAKSH, Mustapha RESIGNED | Director | | 25 Jan 1994 | | May 1953 | Coherent Inc, 5100 Henry Patrick Drive, Santa Clara, IRISH, Usa |
| BASHAW II, Walter Robert RESIGNED | Director | 01 Nov 2022 | 15 Oct 2024 | United States | June 1965 | 5000, Ericsson Drive #300, Pa 15086, Warrendale, United States |
| COUSINS, David RESIGNED | Director | 06 Jan 1993 | 31 Oct 2003 | | April 1938 | 42 Wood End, Bluntisham, Huntingdon, Cambridgeshire, PE28 3LE |
| DIMARCO, Bret RESIGNED | Director | 14 Apr 2008 | 01 Jul 2022 | United States | May 1968 | 144 Lowell Avenue, Redwood City, Ca 94062, United States |
| GAUTHIER, Henry RESIGNED | Director | | 24 May 1999 | | August 1940 | Coherent Inc, 5100 Patrick Henry Drive Santa Clara, Usa |
| GLEESON, Richard Gerard RESIGNED | Director | | 15 Aug 2019 | England | February 1961 | 33, Postern Green, Enfield, Middlesex, EN2 7DE |
| HUNTER, Daniel Allen RESIGNED | Director | 14 Apr 2016 | 01 Nov 2022 | United States | June 1959 | Unit 2, Newnham Drive, Daventry, NN11 8YN, England |
| LENIHAN, John Francis RESIGNED | Director | | 24 Jul 1998 | | November 1956 | Coherent (Uk) Ltd, Cambridge Science Park Milton Road, Cambridge, CB4 4FR |
| MCPEEK, Mitchell Arnold RESIGNED | Director | 17 Jun 2013 | 01 Nov 2022 | United States | June 1960 | Coherent Inc, 5100 Patrick Henry Drive, Santa Clara, Ca, CA95054, United States |
| PELAPRAT, Jean Michel RESIGNED | Director | | 01 Jul 1995 | | December 1953 | Coherent Gmbh Dieselstrasse 56, D-64807 Dieburg, Germany, FOREIGN |
| QUILLINAN, Robert Joseph RESIGNED | Director | | 14 Oct 2002 | | April 1947 | 91 Wild Oak Court, Danville, California, 94506, Usa |
| RALLO, Anthony, Mr. RESIGNED | Director | 18 Oct 2024 | 01 Sep 2025 | United States | October 1987 | Unit 2, Newnham Drive, Daventry, NN11 8YN, England |
| RAYMOND, Mary Jane RESIGNED | Director | 01 Nov 2022 | 24 Oct 2023 | United States | August 1960 | 5000, Ericsson Drive #300, Pa 15086, Warrendale, United States |
| SIMONET, Helene RESIGNED | Director | 14 Oct 2002 | 14 Apr 2016 | Usa | April 1952 | 747 N San Antonio Road, Los Altos, California, 94022, Usa |
| WALENSKI, Franz-Josef RESIGNED | Director | 15 Aug 2019 | 28 Feb 2023 | Germany | November 1954 | 5b, Dieselstrasse, Dieburg, 64907, Germany |