	“Advanced Cross Examination”, National College for DUI Defense Summer Session conducted at Harvard Law School, July 24, 2003.
	"Defense Counsel in Mock DUI Trial", Mastering Scientific Evidence Seminar, Headline Marketing and National College for DUI Defense, Atlanta, Georgia, April 11 and 12, 2003.
	"Cross Examining the Arresting Officer after September 11th", National College for DUI Defense, Mid Winter Meeting, San Antonio, Texas January 24, 2003.
	“Accident Reconstruction”, National College for DUI Defense Summer Program conducted at Harvard Law School, July 25, 2002.
	"Defending the Vehicular Homicide Case", California Public Defender’s Association, Monterey Seminar, June 2, 2001.
	"Handling Vehicular Homicide Cases", New York State Bar Association, DWI on Trial The Big Apple Seminar, New York City, New York, May 25, 2001.
	"Debunking the State’s Expert", Arizona Attorneys for Criminal Justice, Fourteenth Annual Seminar on Aggressive Defense of the Accused Impaired Driver; Tucson, Arizona, April 28, 2001.
	"Criminal Law: Can the Middle-Class Get a Fair Trial?", Legal InCite Radio, 1220 AM, April 14, 2001.
	"Know Your Rights Symposium-DUI and the DMV", Coalition of Concerned Legal Professionals, San Francisco Public Library, February 7, 2001.
	"DUI Updates," Legal InCite Radio, AM 1220, August 12, 2000.
	Moderator, National College for DUI Defense Summer Program conducted at Harvard Law School, July 27 through July 29, 2000.
	"DUI, The Defense – From Start to Finish", Moderator, National College for DUI Defense, Mid-Year Seminar, Kansas City, Missouri, December 3, 1999.
	"Ethics of the Expert Witness", National Forensic Center, 16th Annual National Conference of Expert Witnesses, Newport Beach, California, November 13, 1999.
	"Sentencing and Sentencing Alternatives in DUI and Vehicular Homicide Cases", National Association of Criminal Defense Lawyers Seminar, Las Vegas, Nevada, October, 1999.
	"Developing Trial Themes: The Great Debate; Let the Defendant Testify or Not?", National College for DUI Defense, Harvard Law School, July 24, 1999.
	"DWI Demonstrative Evidence", Texas Criminal Trial Lawyers, Advanced Criminal Law Seminar, Palm Beach, Aruba, July 9, 1999.
	"When, Who and How to Hire an Expert to Challenge Chemical Results or F.S.T.s", 6th Annual Mastering Scientific Evidence in DUI/DWI Cases, Atlanta, Georgia, April 30, 1999.
	"Challenging the Digital Portable Breath Testing Device", The Minnesota Society for Criminal Justice, Fourteenth National Seminar, Las Vegas, Nevada, February 12, 1999.
	"Excluding the Preliminary Alcohol Screening Test", Criminal Trial Lawyers Association of Northern California, San Francisco, California, December 10, 1998.
	"Motion Practice in DUI Cases - An Invigorating Influence", National Association of Criminal Defense Lawyers Seminar, Las Vegas, Nevada, September, 1998.
	"Putting it All Together, the DUI Summation", National College for DUI Defense, Harvard Law School, July 25, 1998.
	"DUI Pretrial Motion Practice," California Public Defender’s Association, San Francisco, June 13, 1998.
	"Law & Tactics of the Stop", National College for DUI Defense, Mesa, Arizona November 8, 1997.
	"Administration of the Chemical Test/ 15 Minute Observation Period", National College for DUI Defense, Harvard Law School, July 25, 1997.
	"Jury Selection/Judge Voir Dire", National College for DUI Defense, Harvard Law School, July 24, 1997.
	"Effective Use of the Polygraph in Criminal Cases, "Bar Association of San Francisco, April 24, 1996.
	"Developing a Defense Theme," National College for DUI Defense, Harvard Law School, July 20, 1995.
	"Trial Tactics", Advanced Legal Seminar, Biloxi, Mississippi, April 28, 1995.
	"Demonstrative Evidence, The Magic of Hollywood for Under $100", Minnesota Society for Criminal Justice, Las Vegas, Nevada, February 4, 1995.
	"Don’t Forget Your Star Witness: The Cop", Washington Foundation For Criminal Justice, Featured Speaker, Seattle, Washington, 1994.
	"Excluding or Limiting the State’s Scientific Evidence", Mastering Scientific Evidence, South Eastern Educational Institute, Atlanta, Georgia, October, 1994.
	"Pretrial Motions", Century City Bar Association, Los Angeles, California, March, 1994.
	"Winning By Word-Of-Mouth; How to Examine the Arresting Officer, Defendant and Other Witnesses"; National Association of Criminal Defense Lawyers, Annual Meeting, August 1993, San Francisco, California.
	"It’s Enough To Drive You To Drink, Cross Examining The States Chemical Test Expert," Eighth National Seminar, Getting Tough on DWI: The Defense; Minnesota Society for Criminal Justice, Las Vegas, Nevada, February, 1993.
	"Cross Examining of the Arresting Officer," Seventh National Seminar; Getting Tough on DWI: the Defense; Minnesota Society for Criminal Justice, February 29, 1992, Orlando, Florida.
	"Cross Examining the Arresting Officer: Micro Surgery in the Courtroom," Fifth National Seminar, Minnesota Society for Criminal Justice, San Antonio, Texas, February, 1990.
	"Qualifying and Challenging the Expert Witness," San Francisco Barristers Club, October, 1986.
	"Horizontal Gaze Nystagmus Tests", National Association for Criminal Defense Lawyers Seminar, Chicago, Illinois, October, 1986.
	Oregon Criminal Defense Lawyers Annual Convention, Keynote Speaker, March, 1985.
	"Pretrial and Trial Strategies in the Defense of DUI Cases," North Dakota Trial Lawyers Association Annual Criminal Defense Seminar, November, 1985.
	"Defense Strategies and Motions in Driving Under the Influence Cases," Barristers Club of San Francisco, October, 1985.
	"Fundamentals of DUI," San Francisco Bar Association, June, 1984.
	"Polygraph in Court," California Academy of Polygraph Sciences, August, 1983.
	"Formal Discovery," San Francisco Trial Lawyers Association, July, 1980.