Selected Current Roles
Senior Advisor, League Advisors
Provides sector-specific insight on space technology trends, technical risk, and market context to support investment banking activities in the space and related technology sectors.
Chief Scientist, AstroSweep
Serves as Chief Scientist for a space debris mitigation company, advising on technology maturation, mission concepts, and strategic positioning in the orbital services and debris removal market.
Senior Technical Advisor, NASA Marshall Space Flight Center (via federal services contractor)
Continues to advise NASA Marshall Space Flight Center on advanced space technologies and mission concepts through a federal services engagement.
Advisor to multiple space startups
Supports several early-stage space companies with technical diligence, roadmap development, and strategies for engaging NASA, DoD, and private capital.
Advisory Boards and Non-Profit Leadership
Co-Founder and Advisory Board Member, Interstellar Research Group
Co-founded and continues to advise the Interstellar Research Group, which brings together global experts to examine practical approaches to interstellar exploration and long-term space futures.
Advisory Board Member, Planetary Sunshade Foundation
Advises the Planetary Sunshade Foundation on large-scale space structures and solar sail–related technologies relevant to solar radiation management concepts.
These roles reflect how Les operates as a trusted external advisor at the intersection of advanced technology, policy, and investment decision-making.