Team​

Meet Our Executives

Here at Sieger Arx, our passionate and dedicated team is the driving force behind our success. With a diverse range of skills and expertise, we bring together creative visionaries, meticulous strategists, and innovative problem-solvers. Together, we work seamlessly to meet and exceed our clients’ expectations, delivering exceptional results with every project we undertake.

Ryan Hellerstedt

Chief Executive Officer

Ryan served over 25 years as an Army officer with tactical, operational, and strategic experience and 2 years learning the lessons of the business world. He specializes in building strategies, analysis, operational design, problem solving, and leadership consulting. His experience across many different jobs, scenarios, and environments taught him how important leadership, both positional and influential, can make or break a team’s efforts. Taking those experiences and pulling out the key pieces of information is critical to solving complex and hard problems, and Ryan’s specialty is communicating those to decision-makers with efficiency and purpose.

Ryan is a father of six, grandfather of four, loves the outdoors, travel, and adventure with his family. He currently resides in Ohio. 

Tobias Petros

Chief Operating Officer

Tobias is a retired Army Intelligence Officer with over 23 years of strategic and operational leadership experience managing diverse teams of professionals to accomplish the toughest objectives. PMP certified through the Project Management Institute, he specializes in servant leadership, developing leaders, teams, and optimizing available resources. Identifying and executing critical functions to maximize returns on investment and ensuring quality, he has a passion for getting the job done right.

After years of traveling the world in service to his country, Tobias settled on the Space Coast of Florida with his wife and three amazing children. He enjoys golfing, good food, and watching rockets blast into space. Most of all he loves spending quality time with his family.