ABOUT US
Leadership Team
Lee Gros
President and Chief Executive Officer
Bio
Lee Gros joined Penhall in August 2024 as President and CEO, bringing over 25 years of experience in the heavy industrial construction and fabrication business, including power, petrochemical, chemical, and refining industries. Before joining Penhall, he served as Regional President of Brock Industrial Group and has an extensive background in engineering design, project controls, and project management. Throughout his career, he has had the opportunity to work for some of the largest EPC companies in the US, managing and being a part of significant projects, including the “first of a kind” modular construction project like the AP1000 Nuclear Plant construction venture. Lee is passionate about delivering exceptional customer service, fostering a strong sense of community, and creating a safe and supportive environment for employees. He holds an undergraduate degree from McNeese State University and an MBA from Louisiana State University, along with continuing education from Harvard Business School. Lee’s leadership aims to enhance Penhall’s customer satisfaction, deepen community engagement, and empower employees to excel, ensuring Penhall’s continued success and innovation in the industry.
Ron McCrummen
Chief Financial Officer
Bio
Ron McCrummen joined Penhall in January 2026 as Chief Financial Officer. In this role, he is responsible for assisting the executive leadership team and Board of Directors in the development and execution of the Company’s financial strategy and operations, as well as overseeing various company-wide support services, including asset management, accounting, finance, information technology, payroll, procurement, taxation, and treasury.
Ron brings over 30 years of experience working closely with leadership teams and boards of directors to build the technology, processes, and relationships necessary to efficiently scale organizations. Prior to joining Penhall, he served in CFO and executive leadership roles for both public and private companies, including those backed by private equity investors, and previously served as a Partner at Ernst & Young LLP. His career spans diverse sectors, including residential and commercial services, industrial infrastructure and energy, and consumer products.
Ron is a graduate of St. Louis University. He is based in the Dallas, Texas metroplex.
Scott Sarason
Chief Revenue Officer
Bio
Scott Sarason joined Penhall in May 2025 as Senior Vice President of Business Development, bringing deep expertise in enterprise sales, strategic growth, and operational execution across the commercial, industrial, and infrastructure sectors. He is responsible for leading Penhall’s national growth strategy, strengthening client relationships, and expanding market presence across both core and emerging verticals.
Prior to joining Penhall, Scott served as Vice President of Sales at Brock Services, where he oversaw business development across 32 states in the East Region. His focus included client diversification, market expansion, and driving long-term customer value. He has also held senior leadership roles in steel fabrication, where he led transformative growth initiatives and secured major contracts in the data center, healthcare, and vertical construction markets.
Scott holds a Bachelor of Science in Industrial Technology and Industrial Distribution, a dual-degree program from Purdue University, and has completed executive leadership development programs. He is recognized for building high-performing teams, forging trusted partnerships, and aligning growth strategies with long-term business objectives.
Elisabeth Doser
Chief of Staff
Bio
Elisabeth Doser joined Penhall Company in 2003 and currently services as the Vice President, Strategy & Transformation. In this role, she is responsible for driving transformational change throughout all functional areas of the organization, maximizing productivity and efficiencies, to accelerate growth and increase profitability. She’s held multiple leadership positions in Information Technology, including Director of IT. In 2016, Elisabeth moved from IT to operations, where she played a key role in designing, developing, and leading the new Penhall Technologies division. In 2018 she was promoted to Vice President of Technologies and later, she was promoted to Regional Vice President, Texas Gulf Coast operations. She attended Purdue University and holds a Bachelor of Science in Information Technology and currently resides in Austin, TX.
Deryl Ward
Executive Vice President, Legal
Bio
Deryl Ward joined Penhall in March 2025 as Vice President, Legal, bringing more than two decades of experience leading legal departments across the construction and building materials industries. His legal expertise is matched by a strong commitment to strategic leadership and enhancing the customer experience.
Deryl has played a key role in guiding organizations through complex legal and operational challenges, with a focus on aligning legal strategy with business growth. His leadership style is grounded in collaboration and pragmatic problem-solving, supporting operational excellence and long-term value creation.
Before joining Penhall, Deryl served as Vice President and General Counsel at Reece USA, and previously held the role of Vice President and Deputy General Counsel at Builders FirstSource. He began his legal career in private practice at a Dallas law firm, where he built a foundation in litigation and commercial law. Deryl holds a B.A. from the University of Texas at Austin and a J.D. from St. Mary’s University School of Law.
At Penhall, Deryl leads with a forward-thinking mindset, ensuring the company’s legal strategy supports its continued growth, safety standards, and customer-first philosophy. He is committed to fostering a high-performance culture that empowers teams and builds trust both internally and externally.
Leif McAfee
Executive Vice President, US Operations
Matthew Dragon
Executive Vice President, Subsurface Specialties
Bio
Matthew Dragon joined Penhall in July 2025 as Vice President of Penhall Technologies, bringing over 18 years of experience in the subsurface locating industry. He has led high-performing sales teams across the U.S., represented leading GPR technology manufacturers, and built scalable sales strategies focused on utility locating and concrete scanning services. Matthew is known for developing strong client relationships, mentoring sales talent, and driving consistent revenue growth. He has contributed to advancing industry standards through involvement with organizations such as the CGA, CSDA, and SUE associations. He attended the University of New Hampshire and has completed several nationally recognized sales training programs.
Carlos Zapata
Executive Vice President, SRMS
Bio
Carlos began his career at Structural as a laborer and advanced steadily through roles of increasing responsibility, including Foreman, Superintendent, General Superintendent, Business Development–Estimator, Solution Builder, Manager of Solution Building, Senior Business Development Manager, and most recently, Director of Sales. His progression reflects a deep understanding of operations, customer needs, and the drivers of sustainable growth—insight he consistently leverages to build strong teams and lasting client partnerships.
Throughout his career, Carlos has led successful team-selling initiatives and secured major projects with industry-leading clients. He holds a Bachelor of Science in Business Administration and Management with a concentration in Human Resources, further strengthening his ability to lead, collaborate, and develop high-performing teams.
Outside of work, Carlos is a proud husband and father of four who values time with his family. He enjoys golfing, building custom trucks, and flying RC model airplanes with his son. He also enjoys camping and spending time outdoors with his family, creating lasting memories together.
Carlos leads with integrity, fosters collaboration, and is committed to delivering solutions that create long-term value for clients, partners, and the organization.