Leaders with a Vision

Randy O’Donnell

Co-President

Randy O’Donnell

Co-President

Randy, co-founder of OSC, is a native Houstonian with deep family roots in the city and in construction. When he founded OSC in 1991, along with his business partner, Trey Snider, the two leaders sought to create a company built on providing unparalleled customer service and quality. Throughout Randy’s career, he has forged long-lasting relationships built on trust with both their clients and vendors. He understood from the start that trust is earned and relationships are priceless. Randy is a highly respected leader within the construction industry who has a reputation for delivering on his promises and for his constant pursuit of excellence. He is a graduate of the University of Texas with a B.S. degree in Architectural Engineering.

Trey Snider

Co-President

Trey Snider

Co-President

Trey, co-founder of OSC, has been a pioneer in the construction industry in Houston since 1991. He, along with his friend and business partner Randy O’Donnell, started OSC with a passion to deliver unmatched service and experience to their clients. Through Trey’s leadership, OSC has thrived, growing in all aspects of business. Since inception OSC has been carefully constructed to become a company that puts an emphasis on hiring the best talent who display the integrity, accountability, culture, and client-centric mindset established from the start by both owners. Throughout the years, Trey has firmly established himself as an admired leader who puts utmost value on building and retaining relationships over transactions. He is a graduate of the University of Texas with a B.B.A in Finance.

Marc Perilloux

Principal | Chief Operating Officer

Marc Perilloux

Principal | Chief Operating Officer

Marc, Principal and COO, joined OSC in 2012 and became a catalyst in moving the company forward with his visionary leadership, implementation of systems, processes, and approaches, while focusing on delivering exceptional customer service. He entered the Houston commercial construction industry in 2001 and has quickly expanded his repertoire of responsibilities, gaining the respect from his peers and his customers as a leader who will go the extra mile to give his clients the best construction experience. His focus on the customer’s needs and exceeding their expectations has resulted in many repeat customers. Marc received his M.B.A. in Real Estate Finance from the University of Houston and a B.S. in Construction Management from Louisiana State University.

Tony Muscat

Principal | Vice President
Corporate Interiors

Tony Muscat

Principal | Vice President
Corporate Interiors

Tony, Principal and Vice President of OSC, has been in construction since 1985. Since the beginning, he has earned the reputation as a leader who has a passion for exceeding the expectations of his clients. Also, he is known throughout the industry as a construction professional with an impressive resume of large corporate interior projects, exceeding 150,000 square feet. Tony’s combination of zeal and professionalism have resulted in many repeat clients. He has a knack for spearheading growth in companies he joins, as he was a key contributor toward the growth of SpawMaxwell, his former company, growing from a $13 million dollar company to a $328 million company in 14 short years. Since joining OSC, he has continued that trend of through leveraging his years of experience, strategic planning and exceptional leadership skills to contribute to OSC’s exponential growth. Tony received his B.S. in Civil Engineering from Texas A&M University and a M.B.A. from Rice University.

Sean Salinas

Principal | Vice President
Corporate Interiors

Sean Salinas

Principal | Vice President
Corporate Interiors

Sean is a Principal and Vice President at OSC. He joined the company in 2002 while in college and has flourished in the industry ever since. He is a natural leader, whose enthusiasm, work ethic and keen eye for detail have earned recognition from clients, co-workers and subcontractors. He has a proven track record for staying within budget, keeping to schedule, and ensuring job site safety. Sean’s experience and tenure with OSC has allowed him to become a trusted resource and mentor. He has a bachelor’s degree from Houston Baptist University and is a former professional baseball player for the Cincinnati Reds.

Cory Burkhalter

Principal | Vice President
Healthcare/Research

Cory Burkhalter

Principal | Vice President
Healthcare/Research

Cory is a Principal and Vice President at OSC. He started in commercial and healthcare construction in 1994 and has been with the company since 2014. His philosophy is to always put his clients’ best interests above all and to exceed their expectations in service, communication and quality. Throughout his career, Cory has become the trusted adviser and valued partner gaining the reputation for nurturing collaborative environments with his clients and teams. With OSC, Cory utilizes his strong background in Healthcare Construction to lead our Healthcare/Research division and has become a proven expert and respected leader within the industry. He has a Bachelors degree from the University of Houston.

Kevin Gilmore

Principal | Vice President
Capital Improvements & Landlord Services

Kevin Gilmore

Principal | Vice President
Capital Improvements & Landlord Services

Kevin is a Principal and Vice President at OSC. He began his career in construction in 1994 and has been with the company since 2011. Kevin has developed a reputation for collaborating with our clients and Houston’s design professionals in creating and delivering creative construction solutions. Kevin has a talent for providing proactive thought leadership in pre-construction and construction. Throughout his career, he has been recognized as a leader whose teams consistently exceed client expectations, from adhering to the requirements of all project schedules, to assuring that each project remains within budget.

David Payne

Vice President
New Construction

David Payne

Vice President
New Construction

David is a Vice President at OSC and started in construction in 2006. He joined OSC in 2014 and since then, he has honed his construction management skills across a wide variety of industries while gaining the respect from his peers and other industry leaders. David is known by his clients and colleagues as a true partner who goes to great lengths to ensure that every detail exceeds expectations by collaborating closely with clients, architects, and his project team members. He has a B.S. in Construction Management from the University of Houston.

Terry Atmar

Vice President of Project Management

Terry Atmar

Vice President of Project Management

Terry is a Vice President at OSC and has been with the company since 1998. Throughout Terry’s career he has built a reputation as a champion for his clients and amazing leader for his teams. With over three decades of experience, Terry is a respected mentor at OSC, dedicating much of his time developing future leaders within the company. His knowledge and expertise are particularly well suited for any assignment requiring complicated scheduling or coordination skills. Terry is a graduate of the University of Texas with a B.B.A in Finance/Real Estate.

Rick Cegelski

Director of Field Services

Rick Cegelski

Director of Field Services

Rick joined OSC in 2004 and is the Director of Field Services. He is a leader who exemplifies company principles and aims to exceed client expectations on every job. With OSC, Rick is responsible for hiring and mentoring superintendents. He has the natural ability to find talented individuals who display the integrity, accountability and the client-centric mindset needed to succeed in the industry and the patience to help refine each of their skills. During his years in the construction industry, Rick has managed a variety of projects ranging in size from multi-floor corporate interiors to new construction and capital improvements.

Anissa Sabawala | AIA, LEED AP BD+C

Vice President

Anissa Sabawala | AIA, LEED AP BD+C

Vice President

Anissa is a Vice President at OSC and has been with the company since 2016. She is a registered architect (AIA) and LEED AP BD+C professional with vast experience practicing architecture in both Texas and New York. Anissa has built a reputation as a passionate leader whose knowledge, experience and charisma has helped the companies she served expand and strengthen client relationships. From New York City to Dallas and Houston, Anissa has demonstrated her natural ability to identify and develop new opportunities for OSC. She is a graduate of Texas A&M, with a bachelor’s degree in Environmental Design.

Jim Suh

Vice President
Pre-Construction

Jim Suh

Vice President
Pre-Construction

Jim is a Vice President at OSC and began in construction in 1997. He has been with the company since 2019. Jim is a thought leader that aligns cost and schedule certainty solutions with design intent and client’s goals while leading them through complex pre-construction phases. He is regarded in the industry as a leader with a keen eye for details who utilizes over two decades of construction experience to provide his clients and colleagues with exceptional service.

Wendy Gates

Controller

Wendy Gates

Controller

Wendy, Controller at OSC, has been in accounting and construction since 1980. She joined OSC in 1997. Under Wendy’s watchful eye, OSC has built the financial infrastructure needed to evolve and expand as our company grows. During Wendy’s tenure with OSC, she has watched the company grow from approximately 10 employees in 1997 to nearly 160 employees in 2020.

Jonnathan Truong

Marketing Director

Jonnathan Truong

Marketing Director

Jonnathan joined OSC in 2019 as the Marketing Director. He has been a leader in Marketing since 2003. Jonnathan is an award-winning designer, creative director, copywriter and marketing director with a proven track record for providing creative leadership spanning multiple industries including design, marketing, oil and gas, legal and construction. With OSC, Jonnathan utilizes his expertise in branding, copywriting and public relations to strategically position the company within its marketplace. Jonnathan holds a bachelor’s degree in Graphic Communications from the University of Houston.

Johnette Rosenbalm

Director of Human Capital

Johnette Rosenbalm

Director of Human Capital

Johnette, Director of Human Capital at OSC, has a passion for developing people and shaping corporate culture. With over two decades of leadership experience in Hospitality, Pharmaceutical, Distribution, and Professional Services, Johnette has built a reputation as a leader who understands how to bridge multiple generations while nurturing relationships. Through her expertise in coaching, she brings out the very best in people and has the innate ability to recognize a person’s natural talent and strength while creating customized development plans to raise the levels of those she coaches. Johnette is a Gallup-Certified Strength Coach and a Certified Trainer who develops talent and empowers leaders.