First, we are servants.

We formed Ursa to help our fellow veterans and their families, especially those with service-connected disabilities, by creating employment opportunities so they can continue to serve our great country. Our growth will always be in support of this endeavor.

Federal technology sales specialists.

We're fortunate from our military service to have a unique understanding of the mission requirements of our government customers. We know you're battling shrinking budgets, growing bureaucracy and unreasonable deadlines. We filter out the noise and hyperbole of commercial vendors and deliver you a list of technology alternatives matching your needs, your budget and your timeline. If you'd like help with a tough problem, you can email us at, use our contact form or call us at (571)528-1630.

Leanne Siedlarz

Managing Partner & CEO

Leanne is responsible for Ursa’s strategic direction and day-to-day operations. She is a retired Colonel in the US Air Force having held numerous leadership positions to include Commander, 607th Weather Squadron, US Forces Korea Staff Weather Officer, Deputy Chief, Weather Policy Division at Headquarters Air Force, 11th Mission Support Group Deputy Commander of Bolling Air Force Base and Chief, Weather Policy and Exploitation Division, HQ Air Force, Pentagon.

Of note, Leanne completed US Army Airborne School and became the first female weather officer to fill an Army “jump” billet as the Assistant XVIII Airborne Corps Staff Weather Officer. She also deployed to Bosnia as the 401st Expeditionary Weather Squadron Commander, supporting peacekeeping operations in Multinational Division (North).

Leanne holds a Bachelor of Science in Mathematics from Kent State and a Master of Science in Meteorology from North Carolina State.

Mark Flournoy

Partner & President

Mark is responsible for Ursa’s continued sales growth and strategic partnerships. Prior to joining Ursa, Mark served as a Marine Corps Communication Officer with two tours in Iraq with First Marine Expeditionary Force and 1st Marine Division as well as leadership positions at DISA, SOCOM and SOUTHCOM. Mark retired from the Marine Corps in 2010 with the rank of Lieutenant Colonel and has since held sales management positions including Vice President of STEC, a publicly traded Solid State Drive manufacturer acquired by HGST/Western Digital, Director of Business Development for Red Hat Public Sector advising clients on open source technologies and most recently, managing System Integrator sales for F5 Networks, a leader in Application Delivery and Cyber Security.

Mark holds a Bachelor of Science in Geology from Auburn University and a Master of Science in Information Technology Management from the Naval Postgraduate School. He is also a graduate of Marine Corps Command and Staff College and the Joint Forces Staff College.

Mark’s published works include Flattening the Battlefield, Journal of Battlefield Technology, July 2007 and Simulating Crisis Communications, Winter Simulation Conference 2002

Mary Galvin

VP of Engineering

Mary Galvin is our Vice President of Engineering and focused on growing Ursa’s innovation in Cyber Security, Machine Learning and Artificial Intelligence. Mary previously served in technical and customer-facing roles at Northrop Grumman, Basis Technology, SRA International, MarkLogic, and LexisNexis, supporting both the Department of Defense and the Central Intelligence Agency. Mary’s expertise includes Big Data, Natural Language Processing (NLP), entity/identity resolution, machine translation, foreign language search, cybersecurity, and Unmanned Aerial Vehicles (UAVs).

She holds a M.S. in Information Systems Engineering from Johns Hopkins University and B.S. in Computer Engineering from Villanova University. She has also taken several extended learning courses in Arabic and Chinese.

​Mary volunteers with Girls in Technology (GIT), a DC-based organization that encourages girls in the 6th through 12th grade to pursue careers in STEM. She also volunteers with Villanova’s entrepreneurship program, helping undergraduate students from her alma mater understand the practical aspects to their entrepreneurial studies.