Our team

Fernando Tapias

CEO and CO-Founder

Fernando Tapias is a successful entrepreneur, security consultant and founder of Zehirut Group. An expert in Organized Transnational Crime and Defense, Fernando has provided for over two decades security consulting and training services to a broad array of industries such as tourism and textile corporations, governments and prominent individuals.

Fernando holds a master’s degree in Security and Defense from the University of Nebrija in Spain, and a diploma in Management from the University of Los Andes. Furthermore, he is a certified specialist in Organized Transnational Crime and Defense Management from the National Defense University and is certified as International Auditor of the Business Alliance for Secure Commerce (BASC). Also, he holds a Bachelor of Science degree in petroleum engineering from the University of America in Colombia.

Zvika Haimovich​

COO and CO-Founder

Brigadier General Zvika Haimovich, former Israel Air Defense (IAF) Forces Commander, is the Chief Operating Officer of Sheltron, bringing over three decades of experience in the Aerospace and Defense arena.

With a successful career as an Air and Missile Defense Officer, General Haimovich has extensive experience developing strategy, policy, and plans for joint, combined, and interagency operations. In addition, he also has vast experience leading large, complex organizations, managing change, and building teams and relationships.

During his service in the IAF, General Haimovich filled several positions such as the Commander in Charge of the Command Field in the IAF Air Defense School, Head of Training Branch in the IAF Air Defense Division, and Commander of the Active Defense Wing and Sky Defense Wing.

Brig. Gen. Zvika Haimovich holds a BA in Middle East Studies from the Hebrew University in Jerusalem. A master’s degree in National Security Studies from Haifa University. As well as a diploma in Strategic Management from the USAF Air War College.

Alberto Peisach

Alberto Peisach’s entrepreneurial spirit and drive has been a guiding force to Sheltron. As a leader, Alberto has successfully guided Grupo Phoenix, transforming a single operation manufacturing company in Colombia into the successful multinational company that it is today. Alberto’s experience in mergers, acquisitions and leadership skills, as well as his willingness to always help others reach their highest potential, make him an outstanding partner at Sheltron.

Alberto has a bachelor’s degree in Systems Engineering from The University of Pennsylvania.

Jaime Lederman

Jaime Lederman’s ability to manage operations, understand numbers and develop company strategies makes him an ideal partner at Sheltron. He currently is the COO of

Grupo Phoenix, where he manages and oversees operations in USA, Colombia, Mexico, Venezuela and Uruguay. Jaime is also a disciplined athlete and when he is not working he may be found running, cycling, and hiking. He has completed multiple marathons, triathlons and was a former professional tennis champion of Colombia.

Jaime has a MBA with focus on Entrepreneurship from The Hebrew University of Jerusalem, as well as a BA in Economics with a minor in Industrial Engineering from the University of Los Andes in Bogota.

Carlos Tapias

Carlos experience in sales and ability to strategically find and partner with early stage companies with exponential growth, make him an ideal partner at Sheltron. Carlos is currently the USA Country Manager of Grupo Phoenix and under his leadership he was able to diversify the company’s portfolio. Before joining Grupo Phoenix Carlos proudly served in the Colombia military for 7 years. His discipline, hard work, determination, family values, and competitive spirit are a product of his time serving his country. He is also an avid athlete who loves all sports ranging from running, cycling, and hiking.

Carlos holds a bachelor’s degree in industrial engineering from the University of Miami.