
David Kellogg
Mr. Kellogg serves as a Trading Principal of Leonidas Capital Management LLC with NFA ID 0568473. Mr. Kellogg listed as a principal and became registered as an associated person of Leonidas Capital Management LLC on January 29, 2025. Mr. Kellogg began his professional career as a Federal employee in 1979 as a co-operative education student alternating quarters of work with quarters of classes. Upon graduation from Virginia Tech in 1982 with a BSEE, Mr. Kellogg was hired full-time by the Federal Government.
Mr. Kellogg held the positions Chief Executive Officer (CEO) and Chairman of the Board (COB) for over twenty years at Solers. Solers grew to over 400 employees and $100M in revenue when it was sold in July 2019 to Peraton. Moving to finance, he became the Managing Member of Kellogg Capital, LLC, where he has spent more than five years overseeing investment strategies and successfully completing the FINRA Series 3 Exam. Most recently, David Kellogg co-founded Leonidas Capital Management, LLC, leveraging his extensive leadership experience and analytical expertise to navigate the financial markets. Based in McLean, Virginia, Mr. Kellogg continues to shape the future of investment management with a strategic and forward-thinking approach.
Demetris Themistokleous
Mr. Themistokleous serves as a Trading Principal of Leonidas Capital Management LLC with NFA ID 0568469. He was officially recognized as a principal and registered as an associated person of Leonidas Capital Management LLC on February 7, 2025. With a robust background in computer science and signifcant experience in both software architecture and financial management, Mr. Themistokleous has established a notable career at the convergence of technology and investment. Mr. Themistokleous obtained a Bachelor of Science in Computer Science from the University of Maryland, followed by a Master of Science in Computer Science from The George Washington University. Mr. Themistokleous dedicated over 13 years to his role as Chief Software Architect at Solers, where he was instrumental in the design and development of advanced software solutions. Transitioning to the finance industry, he has accumulated more than five years of experience in portfolio management at Kellogg Capital, LLC, where he has utilized his analytical and technical skills to enhance investment strategies. Most recently, Mr. Themistokleous co-founded Leonidas Capital Management LLC, where he continues to foster innovation in portfolio management. Residing in McLean, Virginia, Mr. Themistokleous combines his technical expertise and financial knowledge in his professional endeavors.
