Skip to main content
US Flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Home » Staff Directory

Staff Directory

All the ways to contact GSL personnel.

First Last Email Division Affiliation Phone Room
David Tomalak EDSD Federal 303-497-0000 TBD
David Wheeler ITS ACEInfo 720-712-8778 2B307A
Dominikus Heinzeller EPAD CIRES 303-497-4790 2B136
Duane Rosenberg ATD CIRA 303-497-4296 2B415
Dustin Swales N/A Associate N/A 1D132
Edward Szoke AVID CIRA 303-497-7395 2B128
Eric Hackathorn ATD Federal 303-497-6831 2C128
Eric James AVID CIRES 303-497-4278 2B604
Eric Schnepp ITS CIRES 303-497-6486 2B157
Evan Kalina EPAD CIRES 303-497-5399 3B128
Fei Liu NESII Contractor N/A REMOTE
Forrest Hobbs ITS Federal 303-497-3821 2B105
Gary Fisher AVID ACEInfo 303-497-6754 2B309
Geary Layne EDS CIRES 303-497-4274 3C411
Georg Grell EPAD Federal 303-497-6924 2B148
Gerard Ketefian EPAD CIRES 303-497-6209 2B142
Glen Pankow ATD CIRA 303-497-7028 2B406
Gopakumar Padmanabhan ATD CIRES 303-497-7697 2B409
Grant Firl EPAD CIRA 303-497-2872 REMOTE
Greg Pratt ATD Federal 303-497-7237 2B111
Guoqing Ge AVID CIRES 303-497-4163 2B502
Haidao Lin AVID CIRA 303-497-3381 2B511
Haiqin Li EPAD CIRES 303-497-3215 2B115
Hilary Peddicord ATD CIRES 303-497-7993 2C127
Ian McGinnis ATD CIRA 303-497-7827 2C101
Isidora Jankov ATD Federal 303-497-4919 2C122
Jacques Middlecoff ATD CIRA 303-497-6034 2B112
James Ramer EDS CIRA 303-497-6341 3C122
James Frimel ATD CIRA 303-497-7249 2B516B
Jamie Wolff AVID HPC 303-497-2812 REMOTE
Jason English AVID CIRES 303-497-3239 2B145
Jebb Stewart ATD Federal 303-497-6724 2C105
Jeff Beck EPAD CIRA 303-497-3278 2B135
Jeff VanBuskirk ITS Federal 303-497-4618 2B154
Jeffrey Hamilton AVID CIRES 303-497-7312 2B604
Jeffrey Duda AVID CIRES 303-335-9477 2B502
Jennifer Raab OD CIRA 303-497-6059 3B804
Jennifer Mahoney OD Federal 303-497-4122 3B124
Joan Hart EDS CIRES 303-497-6882 3C113
Joaquin Felix ITS ACEInfo 303-497-5267 2B307A
John Gotway DTC HPC 303-497-2861 REMOTE
John Henderson AVID HPC N/A REMOTE
John Opatz EPAD HPC 303-497-8305 REMOTE
John Schneider OD CIRA 303-497-7254 3B803
Jonathan Auerbach EDS CSG 303-497-3760 3C412
Jordan Schnell EPAD CIRES 303-497-0000 TBD
Joseph Olson EPAD Federal 303-497-7270 2B124
Judy Henderson EPAD Federal 303-497-6940 2B508
Julie Prestopnik AVID HPC 303-497-8399 REMOTE
Kate Fossell N/A HPC 303-497-8967 REMOTE
Kate Zhang EPAD CIRES 303-497-3956 2B115
Kathryn Newman EPAD HPC 303-497-2741 REMOTE
Kathy Pegion AVID Associate 303-497-0000 REMOTE
Ka Yee Wong EPAD CIRA 303-497-5035 2B143
Keith Searight ATD CIRA 303-497-6067 2C102
Ken Fenton EDS Federal 303-497-4039 3C111
Kirk Holub ITS Federal 303-497-6642 2B146
Laura Melling EDS CIRES 303-497-5806 3C109
Leigh Cheatwood-Harris ATD CIRA 303-497-7780 2B108
Leon Benjamin ATD CIRES 303-497-6031 2B109
Ligia Bernardet EPAD Federal 303-497-4315 2B129
Man Zhang EPAD CIRES 303-497-4867 2B143
Mariusz Pagowski EPAD CIRES 303-497-6443 2B144
Mark Govett N/A Associate N/A 2B106
Matt Wandishin EDS Federal 303-497-4341 3C103
Melissa Petty OD Federal 303-497-4850 3B128
Melissa Utley ITS Federal 303-497-6109 2B101
Michael Iacono EPAD HPC N/A REMOTE
Michael Leon ATD CIRES 303-497-6247 2B524
Michael Moir ITS ACEInfo 303-497-4108 2B159
Michael Rabellino EDS CIRES 303-497-4323 3C113
Michael Toy EPAD CIRES 303-497-4061 2B142
Michael Vrencur ATD CSG 303-497-7526 2C302
Michelle Harrold EPAD HPC 303-497-8978 REMOTE
Mike Mascola ITS Federal 303-497-5546 2b417
Ming Hu AVID Federal 303-497-3087 2B122
Molly Smith AVID CIRES 303-497-5730 2B153
Mrinal Biswas EPAD HPC 303-497-2754 REMOTE
Nathan Hardin EDS Federal 303-497-7252 3C407
Ning Wang EPAD CIRA 303-497-6704 2B141
Patrick Hildreth ITS CIRA 303-497-7359 2B401
Paula McCaslin EDS Federal 303-497-3187 3C121
Penny Granville OD Federal 303-497-6108 3B119
Peter Lannigan ITS ACEInfo 303-497-4639 2B159
Phyllis Gunn OD CIRES 303-497-6625 3B807
Rainer Bleck EPAD CIRES 303-497-7394 2B115
Randy Barnett ITS ACEInfo 303-497-7328 2B158
Randy Pierce AVID CIRA 303-497-4644 2B153
Ravan Ahmadov EPAD CIRES 303-497-4314 2B113
Richard Ryan ITS CIRA 303-497-6991 2B408A
Richard Miska ITS ACEInfo 303-497-7983 2B404A
Robert Lipschutz ITS CIRA 303-497-6636 2B103
Robert Oehmke EPAD HPC 303-497-1725 REMOTE
Ruifang Li AVID CIRES 303-497-4793 3C118
Ryan OKuinghttons NESII Associate 303-497-3293 REMOTE
Samuel Trahan EPAD CIRES 303-497-6022 2B305
Scott Nahman ITS Federal 303-497-5349 2B102
Sean Miller OD Federal 303-497-6818 3B122
Shan Sun EPAD Federal 303-497-6590 2B149
Shannon Johnston ITS Federal 303-497-7953 2B156
Shilpi Gupta ATD CIRES 303-497-4187 2C103
Simon Lile OD Federal 303-497-5320 3B907
Stan Benjamin OD Federal 303-497-6387 2B118
Stephen Weygandt AVID Federal 303-497-5529 2B125
Suneng Zhuo EDS CIRES 303-497-6687 3C106
Susan Cobb OD CIRES 303-497-5093 3B806
Sylvia Murphy EDS CIRES 303-497-7753 3C515
Tanja Braunagel ATD Federal 303-497-6709 2C124
Tanya Smirnova EPAD CIRES 303-497-6253 2B121
Tara Jensen EPAD HPC 303-497-8479 REMOTE
Taylor Trogdon EDS CIRA N/A N/A
Terra Ladwig AVID Federal 303-497-6725 2B138
TJ Hooker ITS ACEInfo 303-497-4908 2B404
Thomas Kent ATD CIRA 303-497-7004 2B411B
Tony Liao ATD CIRES 303-497-3549 2C126
Tracy Hertneky EPAD HPC 303-497-2635 REMOTE
Tracy Hansen EDS CIRES 303-497-6569 3C301
Travis Wilson EDS Federal 509-244-0110 N/A
Trevor Alcott AVID Federal 303-497-6291 2B305
William Moninger AVID CIRES 303-497-6435 2B506
Woody Roberts EDS Federal 303-497-6104 3C101
Xiangbao Jing EDS CIRES 303-497-6112 3C117
Zoltan Toth OD Federal 303-497-5042 3C119
Andrew Qualkenbush N/A Contractor 301-332-8766 N/A
Becky Carlson OD FedWriters 303-497-6157 3B808
Ben Green EPAD CIRES 303-497-5132 2B501
Bernadette Pfau ITS ACEInfo 303-497-4706 2B159
Elizabeth Bauer EDS FedWriters 303-497-6122 3C104
Beth Russell ATD CIRES 303-497-6759 2C125
Bo Huang EPAD CIRES 303-497-3126 2B525
Bonny Strong AVID CIRA 303-497-3936 2B147
Brian Jamison AVID CIRA 303-497-6079 2B506
Bryan Flynt ATD CIRA 303-497-3875 2B414
Vada Dreisbach EDS CIRES 303-497-7251 3C501
Chris Golden EDS CIRES 303-497-0000 REMOTE
Chris Robertson ITS ACEInfo 303-497-6250 2B404A
Christina Kumler ATD CIRES 303-497-4605 3B109
Christopher Harrop ATD CIRES 303-497-6808 2B107
Chunhua Zhou AVID CIRES 303-497-5317 2B114
Craig Hartsough AVID CIRES 303-497-6602 2B128
Curtis Alexander AVID Federal 720-679-3425 2B126
Dale Perry OD Federal 303-497-6050 3B802
Dan Nietfeld EDS Federal 303-497-4812 3C107
DaNa Carlis OD Federal 303-429-5144 3B121
Dana Uden EDS CIRA 303-497-5930 3C112
Darrel Kingfield EDS Federal 303-497-6327 3C125
Dave Turner AVID Federal 303-497-6097 2B117
David Dowell AVID Federal 303-497-6872 2B119
David Hagerty ITS ACEInfo 303-497-0000 REMOTE
Michael Kavulich AVID HPC 303-497-2734 N/A
Nicholas Gasperoni N/A Associate 303-497-0000 TBD
Venita Hagerty AVID CIRA 303-497-0000 REMOTE
Robert Weingruber EDS CIRES 303-497-6431 3C106
Amanda Back AVID CIRA 303-497-5744 2B505
Daniel Rosen EPAD CIRES 303-497-7734 REMOTE
Hannah Barnes EPAD CIRES 303-497-3153 2B116
Kevin Manross EDS CIRA 303-497-6063 3C124
Mary Gutierrez AVID FedWriters 303-497-5402 2B127
Paul Hamer EDS CIRA 303-497-6342 3C102
Yujun Guo EDS CIRA 303-497-6688 3C124
Karen Nielsen N/A Contractor N/A 3B908
Timothy Corrie AVID Associate 303-497-0000 TBD
Wei Yu ITS CIRES 303-497-5579 2B416
Shawn Needham ITS GDIT 303-497-3848 2B403
Mark Taylor ITS Contractor 303-497-0000 REMOTE
Tatiana Burek EPAD HPC 303-497-1824 REMOTE
Janaina Nascimento N/A Associate 303-497-5457 2A306
Siwei He EPAD CIRES 303-497-4941 2B512
Linlin Pan EPAD CIRES 303-497-5929 2B512
Evan Sheehan ATD CIRA 303-497-5447 2C122
Alexander Kirst ATD CIRES 303-497-4254 2C101
Paul Mykolajtchuk N/A Contractor 303-497-0000 TBD
David Melecio-Vazquez EPAD Contractor N/A 2B515
Ryan Lagerquist ATD CIRA 303-497-6957 2B411A
Jesse Newhart OD Federal 303-497-4886 3B909
Hongli Wang AVID CIRES 303-497-6057 2B511
Joshua Weber ITS CIRA 303-497-5531 2B161
Minna Win-Gildenmeister AVID HPC 303-497-8423 REMOTE
Anton Kliewer AVID CIRA 970-286-2560 102
Emily Schlie EDS CIRA N/A N/A
Daniel Abdi ATD CIRES 303-497-6028 2B523
Alrick Green N/A Associate 305-361-4357 N/A
Liaofan Lin AVID CIRA 303-497-5332 2B505
Christina Holt AVID CIRES 303-497-5316 2B114
Xia Sun EPAD CIRES 303-497-5406 2B603
Craig Hoffman OD CIRES 303-497-6511 3B808
Johana Romero-Alvarez EPAD CIRES 303-497-0000 2B516A
Stephen Pon EDS Contractor 303-497-0000 3C301
Will Mayfield AVID HPC 303-497-2773 REMOTE
George McCabe AVID HPC 303-497-2768 REMOTE
Brianne Nelson AVID HPC 303-497-8261 REMOTE
John Haynes ATO Associate N/A REMOTE
Peter Marinescu CIRA Associate 970-491-8241 TBD
Julie DeMuth N/A NCAR 303-497-8112 REMOTE
Robert Prestley N/A HPC 303-497-0000 REMOTE
Rob Gonzalez-Pita ATD CIRES 303-497-0000 2B411A
Ryan Cabell ADB Contractor 303-497-2880 REMOTE
Vincent Sanders N/A Contractor 303-497-0000 REMOTE
William Breckenridge N/A Contractor 662-325-4024 REMOTE
Joey Jones N/A Contractor 303-497-0000 REMOTE
Jim Sesser N/A Contractor 303-497-0000 REMOTE
Charles Peeples N/A Contractor 303-497-0000 REMOTE
Jacob Frulla N/A Contractor 303-497-0000 REMOTE
James Rogers N/A Contractor 662-325-3625 REMOTE
Dawn Reynolds N/A Contractor 662-325-4023 REMOTE
Kelly Ryan ITS Contractor 720-612-3113 2B154
Morgan Kremer OD Federal 000-000-0000 3B901
Maggie Bruckner N/A Associate N/A TBD
Ryann Wakefield AVID Associate 000-000-0000 2B516
Jacob Lindblom AVID Contractor 303-497-0000 TBD
Kyle Pederson AVID Federal 303-497-0000 TBD
Kylie Hoffman EMB Contractor 303-497-0000 TBD
Cole Vaughn EDS Federal 303-497-0000 TBD
Harrison Rademacher EDS Federal 303-497-0000 TBD
Karen Holcomb EPAD Contractor 303-497-0000 TBD
Kirana Bergstrom ATD Contractor 303-497-0000 TBD
Samantha Lesmerises AVID Contractor 303-497-0000 N/A
Brian Rivera ITS Contractor 303-497-5586 2B307B
Andrew Perry OD Contractor N/A TBD
Bruce Lundberg ITS GDIT 303-868-2094 N/A
John Rodgers ITS Federal 303-497-0000 TBD
Kerry Yannacito OD Federal 000-000-0000 3B909
Laura Thapa EPAD Contractor 303-497-0000 TBD
Stephanie Cirino AVID Contractor 303-497-0000 TBD
Savannah Wujastyk AVID Associate 303-497-0000 TBD
Allison Ormer AVID Associate 303-497-0000 TBD
Cristian Gonzalez-Hernandez EPAD Associate 303-497-0000 TBD
Jessica Saltijeral EPAD Associate 303-497-0000 TBD
Damon Greshamchiso EPAD Associate 303-497-0000 TBD
Mackenzie Arnold EPAD Associate 303-497-0000 TBD
Ethan Carr EDSD Associate 443-510-8967 TBD
Kevin Capps EDSD CIRES 303-351-1507 tbd
Kourtney Wallace EDSD Associate 850-509-3054 TBD
Taylor Roper EDSD CIRES 303-578-0462 tbd
Zion Clarke EDSD Associate 303-497-0000 TBD
Xinba Li EDSD Associate 303-497-0000 TBD
Rey Koki ATD Associate 303-497-0000 TBD
Sung-Chu Liao ATD CIRES 303-578-2013 2c125