Dan works with companies and organizations spanning the nonprofit, for-profit and philanthropic sectors, from tech start ups to green building, sustainability, criminal justice, economic development, consulting practice management, youth violence prevention, grant making, women's rights, and media.  Representative clients include:

Dan did a creative and insightful analysis of our strategy, drawing upon and illustrating insights from his deep reservoir of experience. He illuminated risks and opportunities we hadn’t thought about, and prompted us to take a fresh and probing look at our flagship program.

Dan is very savvy, quickly zeroed in on key strategic questions, and our interactions generated excitement and innovative thinking by members of the organization and board. If you’re looking for a creative and engaging thought partner, strategic planner, or business analyst, I highly recommend you talk to Dan Geiger.
— Jody Mahoney, SVP, Investor Programs and Partners, Anita Borg Institute