OUTAGE UPDATE: The ESRL website outage has changed to Friday, March 6th at 5:00pm MT.
At that time, the site will be unavailble for 24 hours due to building maintenance.

Contact Us

U.S. Mail

[Mail Code]
325 Broadway
Boulder, CO 80305-3337

U.S. Packages

DSRC, Bldg 33
Recipent Room & Phone
325 Broadway
Boulder, CO 80305-3328

Web Questions?

Please contact the
ESRL Webmaster

Staff Lists:

Director's Office (Mail Code: R/ESRL)

Main Office
Alexander "Sandy" MacDonald, Director, 303-497-6378
CAPT Wade Blake, Deputy Director, 303-497-6088
Katy Stewart, Program Analyst, 303-497-6005
Annie Reiser, Technical Communications, 303-497-6634

Budget and Administration
Tom Statz, Chief Budget & Administrative Officer, 303-497-6803

Information Technology
Rob Sears, Chief IT Manager, 303-497-4226

Monica Allen, Media Contact, 301-734-1123
Community Outreach Programs: 303-497-6401 (For tours, visit our tour information page)

Research Programs

Division Contact Pages

Boulder Labs Site Status

Please check the Boulder Labs Site Status for the campus status during severe weather.