SEATTLE--(BUSINESS WIRE)--Pioneer Square Labs (“PSL”) announced today the launch of PSL Ventures, a Seattle-based venture capital fund that invests in early-stage technology companies. The $80 million venture fund will invest in companies all over the Pacific Northwest region of the United States. The fund also will participate in financings of spinouts from PSL’s affiliated startup studio. The fund’s limited partner group is comprised of charitable foundations, institutional investment firms,