KARACHI DHL Pakistan marked Global Volunteer Day 2011 with 950 employees taking part in various community-based activities part of its global drive to give back to local communities and inculcate a passion for volunteerism among employees, says a press release. The employees with management team along with Imran Shaikh, the Managing Director of DHL participated in a tree planting and painting activity at a park located in Nazimabad, Karachi.