- Marine Corps War College (Quantico, VA)
- Heavy Duty Manufacturers Association (Chicago, IL)
- Platte Institute (Kearney, NE)
- Arkansas State Chamber of Commerce (Little Rock, AR)
- Texas A&M University (College Station, TX)
- Institutional Investor Conference (New York, NY)
- University of Colorado-Denver (Denver, CO)
- Leadership Program of the Rockies (Colorado Springs, CO)
- Texas Tech University (Lubbock, TX)
- Wisconsin Manufacturers & Commerce (Madison, WI)
- Southern Methodist University, Maguire Energy Institute (Dallas, TX)
- Pipeline Opportunities Conference (Houston, TX)
- American Public Power Association (Phoenix, AZ)
- University of Texas Energy Forum (Austin, TX)
- American Iron and Steel Institute (Colorado Springs, CO)
- Chicago Quantitative Alliance (Las Vegas, NV)
- University of Calgary, Institute of Sustainable Energy, Environment and Economy (Calgary, Alberta, Canada)
- Colorado School of Mines (Golden, CO)
- American Legislative Exchange Council (New Orleans, LA)
- Minnesota Rural Electric Association (St. Paul, MN)
- International Center for Energy and Economic Development (Boulder, CO)
- Bruno Leoni Institute (Rome, Italy)
- Nassau Community College (Garden City, NY)
- Howard College (Big Spring, TX)
- Site Controls Inc. (Austin, TX)
- Lindenwood University (St. Charles, MO)
- Forging Industries Association (Houston, TX)
- Heidrick & Struggles (Houston, TX)
- University of North Carolina (Chapel Hill, NC)
- University of Texas (Austin, TX)
- St. Edwards University (Austin, TX)
- RMEL (Albuquerque, NM)
- University of Tulsa (Tulsa, OK)
- National Defense University (Washington, DC)
- Hart's Energy Capital Week (Houston, TX)
- National Association of Attorneys General (Providence, RI)
- American Boiler Manufacturers Association (Rancho Bernardo, CA)
- World Presidents Organization (Newport Beach, CA)
- American Petroleum Institute (Scottsdale, AZ)
- SAP for Utilities Conference (San Antonio, TX)
- Manhattan Institute (New York, NY)
- Houston World Affairs Council (Houston, TX)
- Dallas World Affairs Council (Dallas, TX)
- Denver World Affairs Council (Denver, CO)
- Tulsa Press Club (Tulsa, OK)
- Metropolitan Breakfast Club (Austin, TX)
- Kentucky Oil & Gas Association (Louisville, KY)
- Cato Institute (Washington, DC)
- American Enterprise Institute (Washington, DC)
- Toyota Motors (Torrey Pines, CA)
- JP Morgan Public Power and Gas Conference (New York, NY)
- Bakersfield Business Conference (Bakersfield, CA)
- Arkansas Environmental Federation (Hot Springs, AR)
- Society of Industrial Office Realtors (San Antonio, TX)
- Odyssey Group (Palm City, FL)
- Diesel Technology Forum (Washington, DC)
