Board Of Directors


Bob Presley, CHMM


Bob Presley is Managing Principal of Eagle Environmental Management, LLC since its founding in 2004.  He has over 34 years of engineering project management experience with the last 27+ being focused in the EHS arena in 35 states and Canada.

Bob is a Certified Engineering Technologist, C.T. (Mechanical); a Certified Hazardous Materials Manager, (Master Level); an Associate Engineering Technologist, A.T. (Air Pollution Control); an ISO 14001 Trained Lead Auditor; and, a Licensed Real Estate Broker – Missouri.  He has a B.S. Mechanical Engineering Technology (Cum Laude), University of Tennessee.  He has been a CHMM since 1997.


Derek Ingram


Carol Murphy


Carol Murphy is a Senior Engineer at Trihydro Corporation.   She was previously President of GSHMM in 2003-04 and we are thrilled to have her back on our Board of Directors.


Jackie Robb


Jackie Robb, CHMM is President and Co-Owner (with Donna Ratkowski) of R&R Environmental Partners, LLC, a St. Louis-based environmental consulting firm. She has a B.S. in Mining Engineering from the University of Missouri-Rolla (Missouri S&T), and has been an environmental engineer in the consulting sector for over 30 years.

A CHMM since 1995 and a member of GSHMM since 1992, she has previously served on the GSHMM Board of Directors as President (including Elect and Past), Treasurer, and Director-at-Large/Meetings.  Jackie lives with her husband, Wes (also an environmental professional), in Ballwin, Missouri, with their Skye Terrier, Angus.    Jackie and Wes have a son, Owen Robb, who attends college in Pittsburgh, PA.


Shana Lawson


Shana Lawson has been working in the environmental arena for 15 years. After acquiring a B.S. in Environmental Science from Maryville University, she began working for Clean Harbors. Shana has received hands on experience at two major R&D facilities in St. Louis and has received extensive training in managing and shipping hazardous materials. 

Shana is now the EHS Manager at ICL Food Specialties in St. Louis.

Shana is a Certified Hazardous Materials Manager (CHMM) and has been a member of the GSHMM since 2013.


Donna Ratkowski, P.E., CHMM

Director-at-Large: Communications

Donna Ratkowski has over 35 years of environmental and regulatory experience.  Since her retirement from Afton Chemical Corporation in 2021, she has joined with Jackie Robb to form R&R Environmental Partners and is available for a variety of consulting needs.

She holds a B.S. in Chemistry from the University of Missouri - Rolla and a M.S. in Environmental Engineering from the University of Arkansas. She is a registered Professional Engineer in Illinois and received CHMM certification in 1995. She has served on the GSHMM Board of Directors continuously since 2001.


Kevin Perry

Director-at-Large: Government Affairs

Kevin Perry is Assistant Director of REGFORM.


Mark Schrader

Director-at-Large: Meetings

Dave Zimmerman

Director-at-Large: Outreach

Dave Zimmerman is Sales Manager of SET Environmental and has worked for SET for the past 16 years.


Gil Kauffmann

Director-at-Large: Special Projects

Gil Kauffmann is an account representative at Heritage Environmental Services and has been an active member of GSHMM for many years.


Gregg Hagerty

Director-at-Large: Website

Gregg Hagerty has been an active member of GSHMM for many years.  He was President of GSHMM in 2012-2013 and we are thrilled to have him back on our Board of Directors.

Gregg is employed by R&R Environmental Partners.


2022-2023: Bob Presley
2020-2022: Dave Zimmerman
2019-2020: Jonathan Eckles
2018-2019: Donna Ratkowski
2017-2018: Lynn Taber
2016-2017: Mary Juan
2015-2016: Myron Lewis
2014-2015: Bob Presley
2013-2014: Emile Poisson
2012-2013: Gregg Hagerty
2011-2012: Jonathan Eckles
2010-2011: Laura Andrew
2009-2010: Brad Phillips
2008-2009: Leo Oberle
2007-2008: Steve Galbierz
2006-2007: Jackie Robb

2005-2006: Carl Smith
2004-2005: Arlene Farrar
2003-2004: Carol Murphy
2002-2003: Chris Cahnovsky
2001-2002: Dennis Nagy
2000-2001: Juliette Travous
1999-2000: Mark Hall
1998-1999: Murray Meierhoff
1997-1998: Darrell Woolery
1996-1997: Donna Hall
1995-1996: Dennis Dubitsky
1994-1995: Louis Baggett
1993-1994: John Skarin
1992-1993: Gerald LaMotte
1991-1992: Wilson "Woody" Powell
1990-1991: Rodney Blose

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