Ready to apply?
Certification Verification
Should you need to verify the status of a certification, please contact us.
Active CLSO Directory
Certified Laser Safety Officers currently holding an active credential issued by the Board of Laser Safety (BLS). Milestones reflect years of continuous certification as of July 2026.
20-year milestone 15-year milestone 10-year milestone Dual certified (CLSO + CMLSO)
| First Name | Last Name | Cert. No. | Certified Since | Expires | Website / LinkedIn | Recognitions |
|---|---|---|---|---|---|---|
| Arie | Amitzi | 2370 | Sep 2005 | Dec 2026 | 20 | |
| Brian | Andersson | L3819 | Jun 2025 | Dec 2028 | ||
| Karla | Armstrong | L3823 | Nov 2025 | Dec 2028 | ||
| Daniel | Atamanczyk | L3793 | Dec 2019 | Dec 2028 | ||
| Sergey | Avanesyan | L3799 | Mar 2021 | Dec 2027 | ||
| Yanbo | Bai | L3826 | May 2026 | Dec 2029 | ||
| Marcus | Balanky | L3637 | Nov 2013 | Dec 2028 | 10 | |
| Ken | Barat | G0956 | Aug 2002 | Dec 2026 | 20 | |
| Elsie | Beilewech | L3805 | Jul 2023 | Dec 2026 | ||
| Jerry | Bogert | 2570 | Feb 2007 | Dec 2028 | 15 | |
| Wolfgang R. | Bollich | L3777 | Nov 2018 | Dec 2028 | DC | |
| Phillip | Broughton | L3759 | May 2018 | Dec 2028 | ||
| Mendy | Brown | L3667 | May 2016 | Dec 2028 | 10 | |
| Ernest | Brumage | L3813 | Apr 2024 | Dec 2027 | ||
| Florian | Buhlman | L3812 | Sep 2022 | Dec 2028 | ||
| Ritchie | Buschow | 2630 | Jun 2007 | Dec 2028 | 15 | |
| Ginger | Caravalho | L3827 | May 2026 | Dec 2029 | ||
| Matthew | Carey | L3665 | Apr 2016 | Dec 2028 | 10 | |
| Joanna | Casson | L3738 | Mar 2017 | Dec 2026 | ||
| Oliver | Chan | L3678 | Sep 2016 | Dec 2028 | ||
| Ricky Sui Wah | Chan | 2430 | Nov 2005 | Dec 2026 | 20 | |
| Scheryl | Chinn | L3809 | Jul 2022 | Dec 2028 | ||
| Ahsan Zaheer | Chowdary | 1500 | Oct 2003 | Dec 2027 | 20 | |
| Jeffrey | Connell | L3808 | Jul 2022 | Dec 2028 | ||
| Matthew | Dabney | L3802 | May 2003 | Dec 2029 | 20 | |
| Leslie | Daniel | L3783 | Mar 2019 | Dec 2028 | ||
| Paul | Daniel | 2450 | Nov 2005 | Dec 2026 | 20 | |
| Kristin | DeWitt | 2880 | Dec 2007 | Dec 2028 | 15 | |
| Merrick | DeWitt | 2870 | Dec 2007 | Dec 2026 | 15 | |
| Daniel | Doenges | L3825 | Apr 2026 | Dec 2029 | ||
| Ben | Edwards | G1066 | Oct 2002 | Dec 2026 | 20 | |
| William | Ertle | G1076 | Oct 2002 | Dec 2026 | 20DC | |
| Gus | Fadel | L3619 | Mar 2012 | Dec 2027 | 10 | |
| Robert | Fairchild | L3631 | Jun 2013 | Dec 2028 | 10 | |
| Olivia | Fehlberg | L3789 | Nov 2019 | Dec 2028 | ||
| Eclipse | Fright | L3828 | Jul 2026 | Dec 2029 | ||
| Shimon | Gabay | 2580 | Mar 2007 | Dec 2026 | 15 | |
| Konstantinos | Georgiou | L3742 | Jun 2017 | Dec 2026 | ||
| William | Gibbons | L3786 | Aug 2019 | Dec 2026 | ||
| Kelly | Gillette | L3624 | Nov 2012 | Dec 2027 | 10 | |
| Daniel | Gottreich | L3806 | Jun 2022 | Dec 2028 | ||
| John | Gough | L3664 | Mar 2016 | Dec 2028 | 10 | |
| Gibraham | Graciano | L3808 | Dec 2023 | Dec 2026 | ||
| Joseph | Greco | G0966 | Aug 2002 | Dec 2027 | 20 | |
| Jamie | Gurney | 2100 | Dec 2004 | Dec 2028 | 20 | |
| Tinashe | Gutu | L3817 | Jul 2024 | Dec 2027 | ||
| Joshua | Hadler | 3410 | Mar 2010 | Dec 2028 | 15 | |
| Donald | Haes | 3060 | Nov 2008 | Dec 2026 | 15 | |
| Amin | Hamideh | L3791 | Nov 2019 | Dec 2026 | ||
| Christopher | Hamley | L3767 | Jun 2018 | Dec 2027 | ||
| Leon | Harris | L3740 | Apr 2017 | Dec 2026 | ||
| Richard | Harvey | 2900 | Feb 2008 | Dec 2026 | 15 | |
| William | Hoak | 3500 | Nov 2010 | Dec 2028 | 15 | |
| R. DeWayne | Holcomb | 3480 | Oct 2010 | Dec 2028 | 15 | |
| Sabrina | Houston | L3814 | May 2024 | Dec 2027 | ||
| William Nicholas | Huser | L3775 | Dec 2018 | Dec 2027 | ||
| Otu | Inyang | L3627 | Dec 2012 | Dec 2027 | 10 | |
| Pak Ching | Ip | 1530 | Oct 2003 | Dec 2028 | 20 | |
| Bill | Janssen | G1106 | Oct 2002 | Dec 2026 | 20 | |
| Ignacio | Jimenez | L3816 | Jun 2024 | Dec 2027 | ||
| Hayden | Johnson | L3813 | Sep 2022 | Dec 2028 | ||
| Kimberly | Kantner | G1146 | Oct 2002 | Dec 2026 | 20 | |
| Cody | Keating | L3811 | Aug 2022 | Dec 2028 | ||
| G. Neil | Keeney | L3824 | Jan 2026 | Dec 2029 | ||
| Karen | Kelley | L3636 | Sep 2013 | Dec 2026 | 10 | |
| Edward | Kelly | L3682 | Sep 2016 | Dec 2026 | ||
| Matthew | Kennington | L3811 | Feb 2024 | Dec 2027 | ||
| Anthony | Kerstens | L3792 | Dec 2019 | Dec 2028 | ||
| Jamie | King | 2590 | Mar 2007 | Dec 2028 | 15 | |
| Simon | Lappi | L3794 | Jan 2020 | Dec 2026 | ||
| Shimshon | Lashansky | L3787 | Aug 2019 | Dec 2028 | ||
| Eric | Lawson | L3806 | Oct 2023 | Dec 2026 | ||
| Trung | Le | 2420 | Nov 2005 | Dec 2026 | 20 | |
| Thomas | Lieb | 2250 | Apr 2005 | Dec 2026 | 20 | |
| Alexander | Lindquist | L3790 | Nov 2019 | Dec 2026 | ||
| Caleb | Llaneza | L3801 | Jan 2022 | Dec 2028 | ||
| William Spenser | Lynn | L3821 | Sep 2025 | Dec 2028 | ||
| Aaron | Majdali | L3822 | Nov 2025 | Dec 2028 | ||
| Igor | Makasyuk | L3758 | Mar 2018 | Dec 2027 | ||
| Pamela | Manglona-Cadelina | L3815 | May 2024 | Dec 2027 | ||
| Wesley | Marshall | G0996 | Aug 2002 | Dec 2026 | 20 | |
| Uri | Maurice | L3774 | Oct 2018 | Dec 2027 | ||
| Michael | McGuigan | L3622 | Aug 2012 | Dec 2027 | 10 | |
| Brianne | McManamen | L3804 | Jun 2023 | Dec 2026 | ||
| Christopher | Mordica | L3782 | Mar 2019 | Dec 2028 | ||
| Gustavo | Moriena | L3788 | Sep 2019 | Dec 2026 | ||
| Robert | Mueller | G1166 | Oct 2002 | Dec 2026 | 20 | |
| Igor | Murokh | 2310 | Jun 2005 | Dec 2026 | 20 | |
| Richard | Murphy | 3270 | Jun 2009 | Dec 2027 | 15 | |
| Jodi | Myrick-Jenkins | 2190 | Feb 2005 | Dec 2026 | 20 | |
| Sangho | Nam | L3626 | Nov 2012 | Dec 2027 | 10 | |
| Mir | Nawaz, Ph.D. | L3768 | Aug 2018 | Dec 2028 | ||
| Teresa | Neudecker | L3743 | Jun 2017 | Dec 2026 | ||
| Austin | Olson | L3784 | Mar 2019 | Dec 2026 | ||
| Jay | Parkinson | G1206 | Oct 2002 | Dec 2026 | 20 | |
| William | Pate | 3490 | Nov 2010 | Dec 2028 | 15 | |
| Randolph | Paura | L3610 | Mar 2011 | Dec 2026 | 15 | |
| Neluni | Perera | L3820 | Jul 2025 | Dec 2028 | ||
| Valerie | Perez | L3760 | May 2018 | Dec 2027 | ||
| Mark | Pflug | L3652 | Apr 2015 | Dec 2027 | 10 | |
| Daniel | Phan | L3800 | May 2021 | Dec 2027 | ||
| Brian | Pintagro | L3629 | Jun 2013 | Dec 2028 | 10 | |
| Erin | Poitras | L3807 | Jul 2022 | Dec 2028 | ||
| Sandra | Ramirez | L3649 | Mar 2015 | Dec 2027 | 10 | |
| Harrison | Redman | L3754 | Mar 2015 | Dec 2028 | 10 | |
| Judi | Reilly | 3170 | Mar 2018 | Dec 2027 | ||
| Mary Jo | Reynolds Handy | 2560 | Mar 2009 | Dec 2028 | 15 | |
| Jabari | Robinson | L3662 | Feb 2016 | Dec 2026 | 10 | |
| Caitlin | Root | L3812 | Feb 2024 | Dec 2027 | ||
| Michael | Roth | L3749 | Nov 2017 | Dec 2026 | ||
| Abdalla | Sammaneh | 3140 | Feb 2009 | Dec 2027 | 15 | |
| Seth | Satorius | L3748 | Nov 2017 | Dec 2026 | ||
| Jonathan | Schluter | L3781 | Mar 2019 | Dec 2026 | ||
| Heather | Shaffer | L3803 | May 2003 | Dec 2026 | 20 | |
| Mark | Shand | L3669 | Jun 2016 | Dec 2028 | 10 | |
| Geoffrey | Sirr | 1450 | Oct 2003 | Dec 2028 | 20 | |
| Jacob | Skaff | L3807 | Nov 2023 | Dec 2026 | ||
| David | Sliney | G0916 | Apr 2002 | Dec 2026 | 20 | |
| Brianna | Smiley | L3800 | Jan 2023 | Dec 2026 | ||
| Kyle | Smith | L3798 | Jan 2021 | Dec 2027 | ||
| Jon | Snell | 2650 | Aug 2007 | Dec 2026 | 15 | |
| Alice | Sobczak | 2500 | Apr 2006 | Dec 2026 | 20 | |
| Paul | Sorensen | G1256 | Oct 2002 | Dec 2026 | 20 | |
| Melissa | Spencer | L3801 | Mar 2023 | Dec 2026 | ||
| Gary | Spichiger | L3640 | Mar 2014 | Dec 2026 | 10 | |
| Tekla | Staley | 1990 | Sep 2004 | Dec 2028 | 20 | |
| James | Stewart | L3657 | Oct 2015 | Dec 2027 | 10 | |
| Julie | Stewart | L3778 | Jan 2019 | Dec 2028 | ||
| Erin | Sullivan | L3810 | Jan 2024 | Dec 2026 | ||
| Todd | Szarlan | L3671 | Jun 2016 | Dec 2028 | 10 | |
| Wendy Woehr | Terrenoire | L3643 | Jun 2014 | Dec 2026 | 10 | |
| Tracy | Tipping | 1850 | Jun 2004 | Dec 2028 | 20 | |
| Greta | Toncheva | L3635 | Sep 2013 | Dec 2028 | 10 | |
| Zachariah | Tribbett | L3648 | Feb 2015 | Dec 2027 | 10 | |
| Antonio | Triventi | 3400 | Feb 2010 | Dec 2028 | 15 | |
| Carine | Vanpeteghem | L3614 | Aug 2011 | Dec 2026 | 10 | |
| Helena | Vohníková | L3771 | Oct 2018 | Dec 2027 | ||
| Wei-Hsung | Wang | 2220 | Mar 2005 | Dec 2026 | 20 | |
| Aliyah | Welker | L3818 | Nov 2024 | Dec 2027 | ||
| Trevor | Wheatley | L3761 | May 2018 | Dec 2027 | ||
| Thomas | Whittenhall | L3780 | Feb 2019 | Dec 2028 | ||
| Charles | Wilson IV | L3691 | Mar 2007 | Dec 2026 | 15 | |
| Christina | Withrow | L3773 | Oct 2018 | Dec 2028 | ||
| Michael | Woods | 3000 | Sep 2008 | Dec 2026 | 15 | |
| Jiefu | Yin | L3809 | Dec 2023 | Dec 2026 | ||
| Joshua | Young | L3810 | Aug 2022 | Dec 2028 |
No results match your search. Try a different name or certification number.