MedImmune CEO Talks Finance and Science David Mott, a Dartmouth-educated Wall Street investment banker, is increasingly leveraging his reputation in the local and national biotech communities.&lt;br&gt;&lt;FONT face="verdana,MS Sans Serif,arial,helvetica" size="-2" color="#666666"&gt;&lt;B&gt;-The Washington Post&lt;/b&gt;&lt;/font&gt;