Brad Koch,  President

Brad Koch joined Total Welding, Inc. in the fall of 2018, bringing with him more than a decade of experience in estimating, project management, and commercial construction operations. Since joining the company, Brad has played a key role in TWI's continued growth and success by combining strong industry knowledge with a client-focused approach centered on partnership, accountability, and long-term value.

A Colorado native and graduate of Colorado State University’s Construction Management program, Brad brings both local industry knowledge and a passion for building strong communities to his role. Brad was raised in a family led by a local specialty contractor, where he learned early the value of hard work, integrity, and earning trust through commitment and consistency. Those principles continue to shape his leadership style today and serve as the foundation for the relationships he builds with employees, clients, and industry partners alike.

As President of TWI, Brad leads the company’s strategic direction while remaining heavily involved in the day-to-day operations that drive successful project execution. Brad is heavily involved in overseeing pre-construction efforts, working closely with owners, general contractors, and project teams to identify the right opportunities and develop detailed, accurate, and comprehensive proposals. Brad’s ability to understand both the technical and operational sides of construction allows TWI to consistently deliver competitive solutions while maintaining the high standards of quality, safety, and performance the company is known for.

In addition to leading pre-construction and operational oversight, Brad is committed to strengthening existing partnerships and cultivating new relationships throughout the industry. He believes the foundation of TWI’s success is built on trust, reliability, and becoming an indispensable member of every project team.

Under his leadership, TWI continues to expand its reputation as a trusted steel erection and construction partner, delivering complex projects safely, efficiently, and collaboratively.

Outside of work, he is a loving husband and dedicated father to his two children. He enjoys mountain biking, camping, and spending time outdoors with his wife and children.  He is actively involved in his community, serving in leadership roles within multiple organizations focused on creating opportunities for growth, education, and professional development. In these roles, he is responsible for planning, organizing, and executing fundraising events that support educational programs, workforce development initiatives, and community outreach efforts. His passion for mentorship and investing in future generations reflects his belief in strengthening the communities where people live and work.

Dominic Mazza,  Senior Project Manager

Dominic Mazza is a seasoned construction and structural steel professional with more than 30 years of experience leading complex projects, driving operational excellence, and building strong, lasting relationships throughout the construction industry. Throughout his career, Dominic has established himself as a respected leader known for his integrity, technical expertise, and ability to manage large-scale structural steel operations in demanding, fast-paced environments.

As Senior Project Manager at Total Welding, Inc., Dominic brings a unique combination of executive leadership and hands-on field knowledge across fabrication, project management, estimating, scheduling, and field coordination. His extensive experience overseeing multimillion-dollar steel projects allows him to effectively guide teams through every phase of construction while maintaining a strong focus on safety, quality, efficiency, and client satisfaction.

Dominic is highly regarded for his solutions-oriented mindset and his ability to navigate complex project challenges while maintaining productive collaboration between owners, general contractors, design teams, fabricators, and field crews. His leadership style is rooted in accountability, communication, and craftsmanship, helping ensure projects are delivered on schedule, within budget, and to the highest standards of quality. Over the course of his career, he has successfully managed a wide variety of commercial, industrial, and specialty projects, consistently earning the trust of clients and industry partners through his professionalism and commitment to excellence.

Outside of work, Dominic enjoys spending time with his family and pursuing his passion for the outdoors. He enjoys traveling, mountain biking, skiing, hiking, and overlanding with his rig—activities that reflect both his adventurous spirit and his appreciation for preparation, perseverance, and teamwork.  Beyond his family and outdoor interests, Dominic is deeply committed to mentoring and developing others. He actively serves in leadership roles within organizations dedicated to creating opportunities and supporting growth within the community. Through these roles, he helps plan, organize, and lead initiatives focused on mentorship, development, and community engagement.

Preston Smith,  Project Manager

Preston Smith joined Total Welding, Inc. in the summer of 2018, beginning his career as an apprentice Ironworker. From the start, he developed a strong work ethic and a passion for the ironworking trade, quickly earning the respect of both field crews and leadership alike. After exploring other opportunities for a brief period, Preston returned and immediately became an integral part of the office team as a Project Coordinator, where he continued to grow and develop before officially stepping into a Project Manager role in 2023.

As one of TWI’s longest-tenured Project Managers, Preston brings years of field knowledge, leadership experience, and practical problem-solving to every project he oversees. Throughout his career, he has built a proven track record of delivering projects safely, on schedule, and within budget while maintaining the high standards of quality and professionalism for which TWI is known. His ability to manage complex projects, build strong relationships with clients and trade partners, and lead teams effectively has made him a trusted leader within the company and a valuable asset to every project team.

Outside of work, Preston enjoys spending time with his wife and children and is passionate about family life. He enjoys camping, fishing, and outdoor activities with his daughters. His dedication to both his family and his career reflects the same steady leadership and commitment that have defined his success at TWI.

Doug Snow,  Project Manager

Doug Snow has been a dedicated member of the Total Welding team since 2008, beginning his career as a Lead Man and steadily building a reputation as one of the company’s most trusted field leaders. Through hard work, leadership, and an unwavering commitment to excellence, Doug advanced into a highly respected General Foreman role before transitioning into Project Management.

Over the years, Doug has successfully led a diverse portfolio of complex and high-profile projects, including high schools, helicopter hangars, air traffic control towers, professional sports team offices and training facilities, and a skyline-changing 30-story tower in downtown Denver. His extensive field experience, practical leadership, and deep understanding of steel construction continue to make him a key member of the Total Welding team and a valuable resource to clients, trade partners, and field crews alike.

 In his personal life, Doug is a devoted husband and dedicated father who places a strong emphasis on faith, family, and community involvement. He is actively engaged in his local church, where he serves in leadership and volunteer roles focused on supporting families, mentoring youth, and strengthening the surrounding community.  He is also passionate about investing in the next generation through his involvement as a Boy Scout leader, where he helps teach young people the values of leadership, responsibility, teamwork, and service. Whether guiding youth through outdoor activities, community service projects, or personal development opportunities, Doug takes pride in helping others build confidence and character. 

Paul Schermann,  Safety Director & QA/QC Manager

Paul brings over 20 years of experience in the commercial construction industry to his role as Safety Director & QA/QC Manager at Total Welding, Inc. Beginning his career as an apprentice ironworker, Paul steadily advanced through the ranks to become a highly respected General Foreman, developing a deep understanding of field operations, leadership, and the importance of delivering work safely and with exceptional quality.

During his career, Paul briefly stepped away from ironwork to serve as a Project Manager for a large general contractor, gaining valuable experience on both the client and management sides of the construction process. While that experience broadened his perspective and strengthened his operational knowledge, it also reaffirmed his passion for the ironworking trade and the field environment where his career began.

Today, Paul plays a critical leadership role at TWI, overseeing company-wide safety initiatives and quality assurance/quality control programs. His extensive field experience, attention to detail, and commitment to continuous improvement help ensure projects are executed safely, efficiently, and to the highest standards of craftsmanship. Paul is deeply committed to building a culture where safety, accountability, and quality are embedded into every phase of every project, while also mentoring crews and supporting the next generation of ironworkers and field leaders.

Known for his practical approach, strong leadership, and dedication to doing things the right way, Paul is a trusted resource for both clients and field personnel alike. His ability to bridge field operations, project execution, and safety management makes him an invaluable part of the TWI leadership team.

Outside of work, Paul is a dedicated husband and father who enjoys spending time with his family, traveling, and snowboarding. Beyond his hobbies and responsibilities as a husband and father, Paul is deeply committed to serving his community and investing in the industry's future.  He actively supports and participates in initiatives that promote career development and introduce young people to opportunities in the construction trades, often spending significant personal time training and educating those who aspire to learn and grow in the industry. Through his leadership, training, and service, Paul continues to make a lasting impact on the community he serves.

Shelley Alcaraz,  Office Manager

Shelley Alcaraz is a dedicated and invaluable member of the Total Welding, Inc. team, originally joining the company in the fall of 2019. After serving as Office Manager for several years, Shelley briefly stepped away before returning to TWI in 2023, where she quickly resumed her vital role supporting the company’s operations and culture.

As Office Manager, Shelley plays a critical role in the day-to-day success of the organization, helping ensure operations run smoothly, efficiently, and cohesively across both office and field teams. Her exceptional organizational skills, attention to detail, positive attitude, and unwavering commitment to supporting others make her an essential part of TWI’s continued growth and success. Known for her reliability and team-first mentality, Shelley helps keep the organization connected and moving forward while fostering a collaborative and welcoming work environment for everyone around her.

Known for her ability to keep operations organized and communication flowing, Shelley helps foster a collaborative and cohesive work environment that supports both office and field personnel alike. Whether coordinating administrative functions, supporting project teams, or helping solve day-to-day challenges, she approaches every responsibility with professionalism, dependability, and a team-first mentality. Her ability to keep the team “welded” together reflects both her personality and the important role she plays within the organization.

A Colorado native, Shelley brings a strong sense of community, dedication, and authenticity to her work. Outside of the office, she enjoys spending quality time with her husband, three daughters, family, and friends. Her commitment to balancing family, relationships, and professional excellence reflects the same care and dedication she brings to her role at TWI every day.

Angela Estrada,  Controller

Angela Estrada joined Total Welding, Inc. in the summer of 2024 as Controller, bringing with her extensive experience in business finance, operations management, and organizational leadership. As an experienced and detail-oriented financial professional, Angela oversees TWI’s internal financial operations with a strong focus on accuracy, accountability, and long-term strategic growth.

As a long-time business owner herself, Angela brings a unique perspective and deep understanding of both the financial and operational challenges involved in running a successful business. Her firsthand experience allows her to approach problem-solving with practicality, foresight, and a strong sense of partnership, helping to align financial strategies with the company's broader goals and continued growth. Known for her proactive mindset, strong work ethic, and ability to create efficient processes, Angela plays an important role in supporting TWI's operational and financial success.

Angela is enthusiastic about being part of Team Total and is fully committed to contributing to the company’s continued growth, stability, and long-term success. Her collaborative leadership style, proactive mindset, and dedication to excellence make her a valued member of the leadership team and a trusted resource throughout the organization. Angela takes pride in supporting both the operational and financial success of TWI while helping foster a positive, team-oriented culture built on accountability, trust, and continuous improvement.

Outside of work, Angela is deeply devoted to her family and takes tremendous pride in supporting her children in every aspect of their growth and development. Whether attending activities, encouraging new opportunities, or helping guide them through life’s challenges and achievements, she is relentless in her commitment to being present, supportive, and actively involved in their lives. Her dedication to her family reflects the same care, discipline, and selflessness she brings to both her personal and professional life.

Angela is also known for her nurturing personality and unwavering support of her friends and extended family. She values strong relationships and is often the person others can rely on for encouragement, guidance, and support. Her compassion, generosity, and ability to bring people together create lasting connections both inside and outside of the workplace.  In addition to spending time with family and friends, Angela enjoys traveling, caring for animals, and gardening—activities that reflect her appreciation for balance, growth, and the creation of meaningful experiences with the people she loves most.