Danielle Ullner is a core member of BCG X and the global lead for the Energy practice. BCG X is the product, business, tech build and design unit of Boston Consulting Group. With nearly 3,000 entrepreneurs, technologists, scientists, programmers, engineers, and human-centered designers located in over 80 cities, BCG X builds and designs platforms and software to address the world’s most important challenges and opportunities.

Danielle is an active advisor and angel investor and is a board observer at Fyld.AI. She joined BCG in 2018, bringing 20 years of experience as an operator in the venture capital and startup ecosystem. Before joining the firm, she was an operating partner at PICO Partners, a leading early-stage venture capital fund headquartered in Israel. Danielle has held leadership roles with Perion, Benchmark Capital (Tel Aviv), Windward, and Morgan Stanley.


  • MBA, Harvard Business School
  • BA, with distinction, Cornell University, School of Hotel Management