Mark Haden works for the Vancouver Coastal Health Authority in Canada, where he supervises a team of addictions staff.
His web site has a number of great resources for anyone interested in drug policy reform. I would like to draw your attention to two of them.
First, he's drawn up an Excel spreadsheet titled, "Post Prohibition Drug Control Systems." LEAP does not have an official position on how drugs should be regulated once prohibition ends. We leave that for state and federal governments to decide. However, Haden's spreadsheet is useful for anyone thinking about the issue, and it shows the many different ways in which drugs can be regulated.
Second, he has a PowerPoint based video presentation titled, "A Public Health Approach to Illegal Drug Use." The 65 minute presentation is mostly skewed toward examining drug policy in Canada, although much of the information is applicable to other Western countries.