Tomasz Zakrzewski is an expert in defense, aviation and space, security, cybersecurity, critical infrastructure protection, and crisis management systems and procedures. From 1982 to the early 21st century, he held various positions in the Polish Armed Forces. He participated in foreign missions and participated in the preparation and adaptation of the Polish Armed Forces to NATO structures. After leaving service, he gained extensive business experience, holding various management positions at companies such as Alcatel, L-3 Communications, SAAB, and Thales Polska, and also collaborated with Polish and foreign telecommunications, IT, and security companies (Millennium Communications, Oracle). He was a member of the team responsible for security during EURO 2012 in Poland. He has extensive experience in business development and implementing innovations in defense and security. His clients include the Polish Armed Forces, the Police, the Border Guard, Special Services, and government institutions. He is also an expert in the defense industry, specializing in technology and military defense systems, aviation and civilian security solutions. He also specializes in aviation solutions, integrated security systems, technologies, special vehicles for uniformed services, communications systems and radars, critical infrastructure protection, and cybersecurity. He is involved in the SAFE program. He is Co-Chair of the Defense & Security Committee of AmCham Polska, Chairman of the Security and Defense Platform of Employers of Poland, and a member of the „Marka Polska” Foundation.