Officers & Executive Director
Current & Past Officers of the California Water & Environmental Modeling Forum
CWEMF Executive Director & Officers
| Executive Director: | Sujoy Roy (Tetra Tech, Inc.) |
| Convener: | Vivek Bedekar (S.S. Papadopulos & Assoc.) |
| Vice-Convener: | Nicole Osorio (CA Dept of Water Resources) |
| Secretary: | Ben Bray (East Bay Municipal Utility District) |
| Treasurer: | Stacy Tanaka (Watercourse Engineering, Inc.) |
| Past-Convener: | Jesse Jankowski (SWRCB) |
Previous Executive Directors
| 2017-2025 | Paul Hutton (Tetra Tech, Inc.) |
| 2010-2017 | Elaine Archibald (Archibald Consulting) |
| 2003-2010 | Richard Satkowski (SWRCB) |
| 1997-2002 | John Williams (Retired) |
Previous Conveners
| 2023-2024 | Jesse Jankowski (SWRCB) |
| 2021-2022 | Tariq Kadir (DWR) |
| 2019-2020 | Shyamal Chowdhury (United States Army Corps of Engineers) |
| 2017-2018 | Tariq Kadir (CA Dept of Water Resources) |
| 2015-2016 | Josué Medellín-Azuara (UC Davis) |
| 2013-2014 | Ben Bray (East Bay Municipal Utility District) |
| 2011-2012 | Marianne Guerin (Resource Management Associates) |
| 2009-2010 | Paul Hutton (Metropolitan Water District of Southern California) |
| 2007-2008 | Tara Smith (CA Dept of Water Resources) |
| 2005-2006 | K. T. Shum (East Bay Municipal Utility District) |
| 2002-2004 | Nigel Quinn (Lawrence Berkeley NL, U.S. Bureau of Reclamation) |
| 2001 | Richard Satkowski (State Water Resources Control Board) |
| 2000 | Rob Tull (CH2M Hill) |
| 1999 | Spreck Rosekrans (Environmental Defense) |
| 1998 | Richard Denton (Contra Costa Water District) |
| 1996-1997 | Jay Lund (U.C. Davis) |
| 1995 | Jeff Lefkoff (Hydrologic Consultants, Inc.) |
| 1994 | Greg Gartrell (Contra Costa Water District) |
Previous Vice-Conveners
| 2023-2024 | Vivek Bedekar (S.S. Papadopulos & Assoc.) |
| 2021-2022 | Jesse Jankowski (SWRCB) |
| 2020 | Tariq Kadir (CA Dept of Water Resources) |
| 2019 | Abdul Khan (CA Dept of Water Resources |
| 2017-2018 | Shyamal Chowdhury (United States Army Corps of Engineers) |
| 2015-2016 | Tariq Kadir (CA Dept of Water Resources) |
| 2013-2014 | Josué Medellín-Azuara (UC Davis) |
| 2011-2012 | Ben Bray (East Bay Municipal Utility District) |
| 2009-2010 | Marianne Guerin (Resources Management Associates) |
| 2007-2008 | Paul Hutton (Metropolitan Water District of Southern California) |
| 2005-2006 | Tara Smith (CA Dept of Water Resources) |
| 2003-2004 | K.T. Shum (East Bay Municipal Utility District) |
| 2002 | Rob Tull (CH2M Hill) |
| 2000-2001 | Lloyd Peterson (U.S. Bureau of Reclamation) |
| 1999 | George Barnes (CA Department of Water Resources) |
| 1998 | Spreck Rosekrans (Environmental Defense) |
| 1996-1997 | Richard Denton (Contra Costa Water District) |
| 1995 | Jay Lund (U.C. Davis) |
| 1994 | Jeff Lefkoff (Hydrologic Consultants, Inc.) |
Previous Secretaries
| 2013-2020 | George Nichol (Retired) |
| 2001-2012 | George Nichol (State Water Resources Control Board) |
| 2000 | George Nichol (Central Valley Reg. Water Quality Control Bd) |
| 1994-1999 | George Nichol (U.S. Army Corps of Engineers) |
Previous Treasurers
| 2005-2007 | Lisa Holm (CALFED) |
| 2002-2004 | Lisa Holm (Contra Costa Water District) |
| 2001 | Kevin Long (State Water Resources Control Board) |
| 1994-2000 | Margaret Johnston (San Francisco Estuary Institute) |