Leaders with a Vision

Randy O’Donnell

Chairman

Randy O’Donnell
Chairman

Randy, co-founder and Chairman of OSC, is a proud Houston native with deep family ties to both the city and the construction industry. In 1991, he founded OSC alongside his business partner, Trey Snider, with a vision of building a company rooted in exceptional customer service and uncompromising quality. Throughout his career, he has established enduring relationships founded on trust, recognizing from the outset that trust is earned and relationships are invaluable. 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

Chairman | CEO

Trey Snider
Chairman | CEO

Trey, co-founder and Chairman of OSC, has been a trailblazer in Houston’s construction industry since 1991. Together with his friend and business partner Randy O’Donnell, Trey founded OSC with a shared passion for delivering exceptional service and an unparalleled client experience. Under Trey’s visionary leadership, OSC has flourished, achieving significant growth while maintaining its core values. From the beginning, Trey and Randy prioritized hiring top talent who embody integrity, accountability, a strong cultural fit, and a client-focused mindset—principles that continue to define OSC’s success today. Known as an admired leader, Trey places lasting relationships above transactions, fostering trust and loyalty across the industry. He holds a B.B.A. in Finance from the University of Texas.

Marc Perilloux

Principal | President | Chief Operating Officer

Marc Perilloux
Principal | President | Chief Operating Officer

Marc, President and COO, joined OSC in 2012 and has been instrumental in driving the company’s growth with his visionary leadership. His implementation of innovative systems, streamlined processes, and client-focused approaches has set a high standard for delivering exceptional customer service. Marc began his career in Houston’s commercial construction industry in 2001 and rapidly expanded his scope of expertise, earning respect from both peers and clients as a leader who consistently goes above and beyond to provide an outstanding construction experience. His unwavering commitment to understanding and exceeding customer expectations has cultivated strong relationships and led to a high rate of repeat business. Marc holds an M.B.A. in Real Estate Finance from the University of Houston and a B.S. in Construction Management from Louisiana State 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 have 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.

Kevin Gilmore

Principal | Vice President
Corporate Interiors

Kevin Gilmore
Principal | Vice President
Corporate Interiors

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 all project schedules’ requirements to ensuring that each project remains within budget.

David Payne

Principal | Vice President
New Construction

David Payne
Principal | Vice President
New Construction

David is a Principal and Vice President at OSC and started in the construction industry in 2006. He joined OSC in 2014 and since then, he has honed his construction management skills across a variety of industries while gaining the respect of 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.

Sam Ballard

Principal | Vice President | Division Lead
Capital Improvements & Landlord Services

Sam Ballard
Principal | Vice President | Division Lead
Capital Improvements & Landlord Services

Sam Ballard is a Principal, Vice President, and Division Lead of Capital Improvements & Landlord Services at O’Donnell/Snider Construction (OSC). He brings over 19 years of expertise to lead the Landlord Services Division. Since joining the company in 2014, he has played a crucial role in the successful delivery of OSC’s most high-profile projects. His commitment to excellence and strong leadership ensures that OSC consistently exceeds client expectations. Sam’s deep industry knowledge and ability to build strong relationships are key to the company’s ongoing success.

Evan Alford

Vice President | Division Lead
Healthcare/Research

Evan Alford
Vice President | Division Lead
Healthcare/Research

Evan brings over 20 years of experience in commercial construction to his role as Healthcare Division Lead. Throughout his career, he has led the management of projects up to $330 million, collaborating with some of the most respected clients and professionals in the Texas Medical Center and beyond. His work spans more than $800 million in healthcare construction, including medical office buildings, hospitals, and specialty care centers. Evan earned his Bachelor’s degree in Environmental Design from Texas A&M University, specializing in architectural and construction systems.

Cory Burkhalter

Principal | Vice President
Healthcare/Research

Cory Burkhalter
Principal | Vice President
Healthcare/Research

Cory is dedicated to strengthening client relationships within our Healthcare Division. His focus is on building and nurturing these connections, ensuring that client needs are met and expectations exceeded. Through his efforts, OSC continues to deliver outstanding service and foster long-term partnerships.

Wendy Gates

Vice President
Finance & Risk Management

Wendy Gates
Vice President
Finance & Risk Management

Wendy is the Vice President of Finance and Risk Management at OSC. She has been in accounting and construction since 1980 and 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.

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.

Johnette Rosenbalm, SHRM-SCP

Vice President
People Services

Johnette Rosenbalm, SHRM-SCP
Vice President
People Services

Johnette, Vice President of People Services 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.

Rick Cegelski

Vice President
Field Services

Rick Cegelski
Vice President
Field Services

Rick joined OSC in 2004 and is the Vice President 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.

LaKeta Morris

Vice President
Marketing & Client Relations

LaKeta Morris
Vice President
Marketing & Client Relations

LaKeta, Vice President of Marketing and Client Relations, is a marketing veteran in the construction industry, She leverages her extensive knowledge to develop, lead, and execute OSC’s overall marketing strategy focusing on strengthening and expanding the OSC brand across their four divisions. LaKeta is also exceptional at developing and maintaining client and vendor relationships.

She is very involved in industry organizations. She is the incoming President of the Society of Marketing Professional Services (SMPS) Houston chapter. She also serves on the Women in Healthcare – Houston chapter Special Events Committee; and Commercial Real Estate Women (CREW) – Houston chapter Special Events and Programs Committees. She has served the Society of Marketing Professional Services (SMPS) Houston chapter in several roles, including Programs Director on the Board of Directors, past Programs Committee Chair, and former Gala Co-Chair. She was recently named SMPS Houston’s Member of the Year.