| Name | Phone | Agency | Workgroup(s) |
|---|
 Macdonald, Sharon | 303-866-4839 | SEN | Senate Assignable Clerk |
| Maghakyan, Simon | (tour desk:) 303-866-2604 | LCS | Visitor's Services |
| Mandis, Holly | 303-866-2802 | LLS | Drafters |
| Markwell, Cindi | 303-866-2291 | LLS | Drafters |
| Marter, Ben | 303-866-5288 | SEN | |
| Mauer, Mike | 303-866-4794 | LCS | Economists |
| McCray, Tina | 303-866-4868 | SEN | Senate Majority Chief Legislative Assistant |
| McGettrick, Katey | 303-866-4796 | LCS | Committee Staff Members |
| McKay, John | 303-866-4349 | LLS | Drafters |
| Mcphee, Sara | 303-866-4782 | LCS | Committee Staff Members |
| Megyesy, Joe | 303-866-2610 | SEN | Senate Minority Policy/Research Assist |
| Meuli, Pastor Brad | 303-313-2431 | HOU | House Chaplain |
| Miller, Bart | 303-866-2173 | LLS | Attorneys |
| Miller, Debra | 303-866-4839 | SEN | Senate Assignable Clerk |
| Miller, Stephen | 303-866-4332 | LLS | Attorneys |
| Mlinek, Kirk | 303-866-4787 | LCS | Committee Staff Members |
| Moe, Jennifer | 303-866-3487 | LCS | Committee Staff Members |
| Montoya, Lucille | 303 866-3524 | LCS | Accounting-Payroll |
| More, Michelle | 303-866-2587 | JBC | JBC Analysts |
| Morris, Thomas | 303-866-4218 | LLS | Attorneys |