Ready to apply?
Certification Verification
Should you need to verify the status of a certification, please contact us.
Active CLSO Listing
- Arie Amitzi
- Patrick Anderson
- Daniel Atamanczyk
- Sergey Avanesyan
- Marcus Balanky
- Ken Barat
- Jerry Bogert
- Wolfgang R. Bollich
- James Brennan
- Phillip Broughton
- Mendy Brown
- Florian Buhlman
- Ritchie Buschow
- Matthew Carey
- Joanna Casson
- Ricky Sui Wah Chan
- Oliver Chan
- Scheryl Chinn
- Ahsan Zaheer Chowdary
- Eddie Ciprazo
- Jeffrey Connell
- Paul Daniel
- Leslie Daniel
- Delphine Darios
- Kristin DeWitt
- Merrick DeWitt
- Ben Edwards
- Alison Errico
- William Ertle
- Gus Fadel
- Robert Fairchild
- Olivia Fehlberg
- Shimon Gabay
- Davin Gaskin
- Konstantinos Georgiou
- William Gibbons
- Kelly Gillette
- Daniel Gottreich
- John Gough
- Joseph Greco
- Andrew Greif
- Jamie Gurney
- Joshua Hadler
- Donald Haes
- Amin Hamideh
- Christopher Hamley
- Chase Hansel
- Nicholas Harmon
- Leon Harris
- Richard Harvey
- Stephen Hemperly
- William Hoak
- R. DeWayne Holcomb
- Richard Hughes
- William Nicholas Huser
- Tony Imm
- Otu Inyang
- Pak Ching Ip
- Bill Janssen
- Hayden Johnson
- Thomas Johnson
- Masahiro Kamei
- Kimberly Kantner
- Cody Keating
- Karen Kelley
- Edward Kelly
- Anthony Kerstens
- Jamie King
- Simon Lappi
- Shimshon Lashansky
- Erwin Lau
- Trung Le
- Michael Lefebvre
- Thomas Lieb
- Alexander Lindquist
- Caleb Llaneza
- Igor Makasyuk
- Wesley Marshall
- Marcum Martz
- Uri Maurice
- Michael McGuigan
- Marco Mendes
- Wallace Mitchell
- Christopher Mordica
- Gustavo Moriena
- Brad Morrison
- Robert Mueller
- Ross Muenchausen
- Igor Murokh
- Richard Murphy
- Jodi Myrick-Jenkins
- Sangho Nam
- Mir Nawaz, Ph.D.
- Teresa Neudecker
- Barbara O'Kane
- Austin Olson
- Tyler O'Neill
- Patrick Parker
- Jay Parkinson
- William Pate
- Randolph Paura
- Valerie Perez
- Mark Pflug
- Daniel Phan
- Brian Pintagro
- Erin Poitras
- Elvet Potter
- Sandra Ramirez
- Harrison Redman
- Judith Reilly
- Mary Jo Reynolds Handy
- Jabari Robinson
- Bret Rogers
- Michael Roth
- Abdalla Sammaneh
- Seth Satorius
- Jonathan Schluter
- Mark Shand
- Geoffrey Sirr
- David Sliney
- Kyle Smith
- Jon Snell
- Alice Sobczak
- Paul Sorensen
- Gary Spichiger
- Tekla Staley
- Albert Stephenson
- Julie Stewart
- James Stewart
- Todd Szarlan
- Wendy Woehr Terrenoire
- Bindu Timilsina
- Tracy Tipping
- Greta Toncheva
- Zachariah Tribbett
- Antonio Triventi
- Carine Vanpeteghem
- Helena VohnĂková
- Wei-Hsung Wang
- Trevor Wheatley
- Tristan White
- Thomas Whittenhall
- Charles Wilson IV
- Christina Withrow
- Michael Woods
- Joshua Young
- Sheldon Zimmerman
- Brianna Smiley
- Melissa Spencer
- Matthew Dabney
- Heather Shaffer
- Brianne Mcmanamen
- Matthew Dabney
- Elsie Beilewech
- Phillip Broughton
- John Snow
- Eric Lawson
- Jacob Skaff
- Gibraham Graciano
- Jiefu Yin
- Erin Sullivan
- Matthew Kennington
- Caitlin Root
- Ernest Brumage
- Sabrina Houston
- Pamela Manglona-Cadelina
- Ignacio Jimenez
- Tinashe Gutu
- Myung Chul Jo
- Aliyah Welker
- Nathan Duff
- Brian Arnold