A group of experienced tech execs are leading and backing Tangibly, a new Seattle software startup that launched Thursday with a mission to help companies manage enterprise trade secrets. The company is led by CEO Tim Londergan, a former exec at Intellectual Ventures and founder of Wavefront Venture Labs. The 8-person startup raised a $700,000 pre-seed round from investors including former Avvo CEO Mark Britton; former Intellectual Ventures leader Patrick Ennis; former Xinova (Intellectual Ventures spinout) managing director Gordon Winston; and former Intellectual Ventures director Mark Mendel.