I, Michael Edson, am the Director of Web and New Media Strategy for the Smithsonian Institution. Work-related blogging here got awkward when I took this job, but I sometimes post to the Smithsonian 2.0 blog.
..otherwise..
Twitter: @mpedson
Slideshare
Most of my work is via Smithsonian Web & New Media Strategy wiki - here
My friend and occasional bloging partner, Titus Bicknell, is indescribable.