BerlinRosen Expands Public Affairs and Issue Advocacy Expertise with Investment in Glen Echo Group

O2 Investment Partners ( www.o2investment.com ) is pleased to announce that through BerlinRosen, it has made an investment in and partnered with Glen Echo Group ( www.glenechogroup.com ) and its founder and CEO, Maura Corbett, to grow its technology public affairs and issue advocacy practice areas that complement BerlinRosens current service offerings.