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No. 1: David S. Crutchfield

RMF Engineering Inc.


s RMF’s vice president and corporate secretary, Crutchfield oversees RMF’s offices in Charleston, Atlanta and Boston. A graduate of the Catholic University of America with a degree in mechanical engineering, he joined RMF Engineering in 1993 as a project engineer in the firm’s Buildings Division. After being promoted several times, he relocated to Charleston in 2002 to lead the firm’s new satellite office. As principal in charge of the South Carolina office, he has handled projects for Clemson University, Charleston County Aviation Authority, S.C. State University, MUSC, and the University of South Carolina, among others, many of which have received accolades and industry awards. A mechanical engineer with expertise in design and analysis of mechanical systems in critical environments, his experience includes new and renovation work, often coordinating multiple construction phases and communicating regularly with clients. A member of numerous professional organizations, he is a registered PE in multiple states and is a LEED Accredited Professional. 

No. 2: Jonathan Sigman

Collins Engineers Inc.


graduate of MIT with bachelor’s and master’s degrees in civil engineering, Sigman has 24 years’ experience in design, detailing and construction administration. He has prepared design and bid documents for piers, boardwalks, wharves, bulkheads, bridges, buildings and miscellaneous structures and performed damage assessment of structures following natural disasters. Since becoming regional manager of Collins Engineers’ Charleston and Savannah offices in 2015, the staff has grown from eight to 20 employees. He has served as project manager or principal for several statewide bridge inspection contracts and has worked with many municipalities and agencies. He has been an instructor for FHWA National Highway Institute training for the Inspection and Maintenance of Ancillary Structures and for Engineering for Structural Stability in Bridge Construction. Prior to working for Collins, Sigman worked for other engineering companies and was an adjunct professor at Washington University and the University of Missouri-St. Louis.

No. 3: Terry Macaluso

W.K. Dickson & Co. Inc.


acaluso has been with W.K. Dickson since 2009 and is a vice president who manages the Columbia office. A graduate of Louisiana State University with a degree in civil engineering, he is a registered PE in South Carolina and Alabama with more than 37 years of experience in consulting engineering. His primary technical expertise is in land development planning and design, public works infrastructure, transportation and economic development. His experience includes due diligence, site selection, master planning and design of more than 20 industrial and commerce parks from 100 acres to over 1,500 acres. He has served clients across the Southeast in the municipal, state, federal and industrial sectors. In additional to his technical experience, he has more than 25 years experience in branch office management, business development and building teams of engineers, architects and planners. An active member of the S.C. Economic Development Association, he has also been a member of ACEC, APWA, and SAME.

No. 4: Emily Swearingen



wearingen has more than 20 years’ experience in the transportation industry and earned her bachelor’s degree in civil engineering from Georgia Tech. She is an associate vice president with AECOM, a global engineering firm, and serves as the South Carolina Transportation Leader and the Greenville office site leader.

She has served in key roles in professional organizations across South Carolina, including: director, American Council of Engineering Companies of South Carolina; Director at Large, Women’s Transportation Seminar South Carolina Chapter; ACEC-SC Transportation Committee Chair and Annual Conference Planning Chair.

She is a Licensed Professional Engineer in Georgia and South Carolina.


No. 5: Wesley Hulsey

KCI Technologies Inc.


aving earned a bachelor’s degree from Furman University and a master’s degree from the University of Georgia, Hulsey started his environmental consulting career at Rust Environment & Infrastructure in Greenville in 1994. He has been instrumental in the founding, development and growth of two regional companies in the Southeast in the water/wastewater industry that were acquired by publicly traded companies or firms with a national presence: Hulsey Environmental Services LLC, acquired by EarthCare Co. in 1999, and Hulsey, McCormick and Wallace Inc., for which he served as CEO until June 2020 when the company was acquired by KCI Technologies. Hulsey is KCI’s South Atlantic Region Water/Wastewater Practice Leader and Vice President. In 2014, then-Gov. Nikki Haley appointed him to the Governor’s Savannah River Committee. In addition, he serves or has served with numerous professional and community organizations. 


Ruth Albright

Synterra Corp.

A 1986 Clemson University graduate with a degree in chemical engineering, Albright is a licensed PE in 12 states. Currently principal and vice president of Synterra Corp., Albright has more than 30 years’ experience in consulting and industrial experience.

She has consulted on projects at numerous geographic sites and has managed environmental projects that involve RCRA, CERCLA, SARA, NPDES, the Clean Air Act, and state solid waste regulations and has served in many capacities with numerous state and regional professional organizations.


Craig Buck

RMF Engineering Inc.

A Pennsylvania State University graduate with a degree in mechanical engineering, Buck joined RMF in 1998, rising through the ranks to become division manager, then became a partner in 2013. As division manager, he oversees the day-to-day operations of the South Carolina office and drives the firm’s expansion in the Southeast. A mechanical project engineer with strong HVAC, plumbing and system design skills, Buck has significant experience in all phases of project development, including planning, design and construction of new and renovated buildings, winning numerous industry awards. In South Carolina, he has completed projects for Clemson University, University of South Carolina, Wofford College, MUSC, Charleston County School District, College of Charleston and many others. A member of the American Society of Heating, Refrigerating and Air Conditioning Engineers, he is a certified U.S. Green Building Council LEED Accredited Professional and an accredited Healthcare Facility Design Professional. As a subject matter expert on health care and laboratory systems design, he presented at numerous conferences and authored many technical articles.


Keith Branham

Stevens & Wilkinson

Branham, a University of South Carolina graduate, began his career as an electrical engineer-in-training at Stevens & Wilkinson, now SSOE | Stevens & Wilkinson, in 1989. Shortly after becoming a registered PE in South Carolina in 1995, he was promoted to engineering department manager and principal, overseeing the electrical, mechanical, civil and structural engineering departments in the firm’s Columbia office. He has worked on projects in higher education, K-12, corporate, health care and government. A registered engineer in North Carolina, Tennessee and Virginia, Branham has been featured and published in many professional periodicals. Major projects and accomplishments include the University of South Carolina’s Darla Moore School of Business, Clemson University’s Core Campus, MUSC’s James E. Clyburn Research Center, the S.C. State House Restoration and Renovation, Columbia Museum of Art adaptive reuse, Township Auditorium renovation, and Florence County Judicial Center. A LEED Accredited Professional, he is a member of the National Society of Professional Engineers and the South Carolina Society of Professional Engineers. 

Dan Bunnell

Bunnell-Lammons Engineering Inc.

With civil engineering degrees from Purdue University and the University of Florida, Bunnell started his career with Law Engineering Inc., holding progressive staff, project and principal geotechnical engineer positions. He provided geotechnical and construction materials consulting engineering on many projects across the Southeast, including ship docks, wharfs and channel dredging, Department of Defense and NASA facilities, high-rise buildings and more. Two notable projects include the Bon Secours Arena and the BMW initial site work and manufacturing facility. In 1996, he and Tom Lammons founded Bunnell-Lammons Engineering, consulting on projects across South Carolina and western North Carolina. The firm has grown from a startup to a staff of over 140 associates working on many projects throughout the Southeast. Bunnell is life member of the American Society of Civil Engineers. 

Gary Collins

Seamon Whiteside 

With over 25 years of site development experience, working locally and across the Southeast, Collins earned his bachelor’s degree in landscape architecture at Ryerson University and his master’s degree in landscape architecture at North Carolina State University. Currently, he is responsible for corporate strategy.

Signature projects and accomplishments include the International African American Museum in Charleston, Camp Hall Commerce Park Master Plan in Berkeley County, Portside at Ferry Wharf in Mount Pleasant and the Mount Pleasant Way Feasibility Study. In addition, he serves or has served with numerous business and community organizations.


Stephen L. Davis

Davis & Floyd Inc. 

Davis is the president and chief executive officer of Davis & Floyd. As a son of the firm’s late founder, Emmett I. Davis Jr., he has spent his entire career working with the company and participating in its growth. He excels in strategic planning and team building. A pioneer in Traditional Neighborhood Development, he has managed private development projects involving award-winning communities, including Habersham in Beaufort.

He has served in a number of community and civic capacities, including as past chairman of The Citadel Foundation, a boardmember for Countybank, a boardmember for the S.C. Department of Natural Resources, and a session member of the Associated Reformed Presbyterian Church.

Jeffrey Mark Dillon

ADC Engineering

Dillon, who became a registered PE in 1988, earned his degree in civil engineering from The Citadel and master’s degree in civil engineering from Clemson University. He started his career as a structural engineer with Lindbergh and Associates, Charleston, in 1983, went to the Southern Division Naval Facilities Engineering Command in 1985, and became a founding partner of ADC Engineering in 1989. ADC has won numerous awards, mostly recently the Charleston Contractors Association 2021 Firm of the Year. In addition, Dillon and ADC give back to the community, having worked on projects large and small, often at no charge. Dillon also serves as a mentor in the ACE program teaching high school students about the design professional and construction industries.


William Flowers

Civil Engineering of Columbia

Flowers started his engineering career in 1983 in the coal mines of West Virginia. When the company he worked for shut down, he moved south looking for work. Despite his lack of experience in site work, Civil Engineering of Columbia hired him. Flowers rose through the ranks; then, in 2015, the two founders retired and sold the firm to Flowers and two of his colleagues. CEC quickly expanded, taking on projects in new areas, and growing the firm from a staff of 18 with two registered engineers to more than 50 employees and seven registered engineers. Flowers is a board member of BIA of Central South Carolina.  


Jason Gregorie

Applied Building Sciences Inc.

A Clemson University graduate with bachelor’s and master’s degrees in civil engineering, Gregorie joined Applied Building Sciences in 2006, starting as an entry-level engineer and working his way up to shareholder and board of directors while working on projects throughout the Southeastern U.S., Mexico and South America. He specializes in forensic investigations, consulting and repair designs for a range of structural, building envelope and civil projects. A licensed PE, he has testified as a technical matter expert in state and federal courts. He was awarded the ASCE South Carolina Section Technical Merit Award in 2009-2010 and in 2022 was the editor and a primary author of a book published by the American Society of Civil Engineers. He is vice chair of ASCE’s Forensic Engineering Division Executive Committee and is a member and Past Chair of ASCE’s Committee on Forensic Investigations. 

Jenny Horne

Stantec Consulting Services Inc.

A 1996 University of Georgia graduate with a degree in landscape architecture, Horne started her career as a land planner/landscape architect with LS3P in 1997, focusing on K-12 and higher education projects. She moved to SGA Architecture in 2003 as a landscape architect/project manager, working a variety of projects, including single family residential, urban infill, community planning, park and recreation, K-12 and higher education projects. She joined Stantec Consulting Services as a project manager/senior associate in 2013, where she serves as Landscape Architecture Studio Leader and Project Manager with a focus in park and recreation, community development, master planning and corridor beautification/streetscape projects. She and her team have won numerous industry awards for their work. A Registered Landscape Architect in South Carolina and Louisiana, Horne has also been involved in the community, helping a nonprofit, Enough Pie, secure a memorandum of understanding with a local municipality and regulatory agency for installation of murals under an Interstate 26 overpass in Charleston.

Robert L. Horner

Weston & Sampson Engineering

A graduate of The Citadel with degrees in biology and civil engineering, Horner started his career with Niven’s Engineering in Beaufort before joining Charleston Water Systems, where he worked for 18 years, becoming director of design and construction. Since 2010, he has focused on all types of

municipal infrastructure planning, engineering and permitting. A licensed PE in six states, he joined the firm’s board of directors in 2018 and the S.C. APWA Board of Directors in 2020. He received the Kenneth J. Miller Founders’ Award for outstanding service and leadership in advancing the mission of Water for People, is the first president of the S.C. Water Quality Association and patented a tidal surge prevention device in 2021. 

Stephen Mahaffey 


A Clemson University graduate with a degree in agriculture engineering, Mahaffey has more than 24 years of experience in program management, project management and professional engineering services with local, state and federal agencies nationwide. He joined CEMS in 2007 as the lead civil engineer, and led the Civil Group until 2017. Mahaffey has been involved in over 40 indefinite delivery contracts, and worked with over 30 municipalities and government agencies. He continues to develop CEMS’ civil design and management teams. Mahaffey spends much of his free time with family and friends on the water or in the outdoors.


Ben Jones

Thomas & Hutton

A University of South Carolina graduate, Jones began his career as a field representative with Thomas & Hutton, rising through the ranks to COO, tasked with carrying out the firm’s strategic plan in daily operations for nine regions covering South Carolina, Georgia, North Carolina and Tennessee. A licensed professional civil engineer in six states, his specialties include residential, commercial and golf course design. He has been instrumental in the development of several key programs and initiatives to ensure the long-term sustainability of Thomas & Hutton. In addition, he is the driving force behind Thomas & Hutton’s emphasis on culture, making the firm one of the Best Firms to Work For as awarded by ZweigGroup and Top Workplaces. He also serves on numerous professional and community boards. 

Ken O’Malley


An Auburn University School of Electrical Engineering graduate, O’Malley started his career in Process Controls with CRS Sirrine in Greenville. In 1994, he became a lead engineer with John Brown Engineering, which later became Aker Kvaener. In 1998, when the company closed its Greenville office, O’Malley and two partners started aeSolutions. He served as aeSolutions’ VP of operations and engineering until he became president in 2017. Despite some setbacks, most notably the death of a founding partner and a downturn in the oil industry, the company has thrived. O’Malley notes that his greatest accomplishment has been to help develop a trusted and successful team. 


William Schwartz Jr.

S&ME Inc.

A 1994 Clemson University graduate with a degree in civil engineering, Schwartz, a PE, started his career with S&ME in Spartanburg as a staff professional prior to being promoted to construction services department manager in 1998. After a steady move up the ranks, in 2020 he was named senior vice president. In addition to operational management, he has remained active in projects as a project or client manager. He is a member of Chi Epsilon Civil Engineering Honor Society, served on the Spartanburg County Engineering Appeals Board, and received the Dr. George Dean Johnson Leadership Award by Boy Scouts of America Troop 1.  


Darren Springer


While not an engineer, Springer has been instrumental to Devita’s success.

A CPA for more than 10 years with Cherry Bekaert, he joined Devita as CFO in 2011. In August 2012, he became the second president since the firm’s inception in 1984. As a non-engineer, he notes that he relies heavily on Devita’s talented team of professional engineers, designers and other specialists for leadership and technical excellence. The principals, management and staff of the firm’s two divisions have led to business growth in Greenville, Atlanta, Charlotte, Durham and Richmond. Springer is a CPA, Certified Global Management Accountant and is a member of several state and national boards.  

Michael Weeks

DWG Inc.

An Auburn University graduate with a bachelor’s degree in mechanical engineering, Weeks has worked in engineering since his teens, starting as a draftsman in his father’s firm. At age 32, he became an owner in an engineering firm in Savannah with a branch office in Mount Pleasant. In 2008, he and a colleague created DWG Inc. His greatest accomplishment, he says, is creating an award-winning business with a few employees, growing it 400%, and converting it to a 100% employee-owned company. The company provides mechanical and electrical engineering services to K-12 schools in Berkeley, Charleston and Dorchester counties as well as colleges, universities and hospitals in coastal South Carolina and has received numerous statewide and regional design awards. Weeks is a Registered Professional Mechanical Engineer, Registered Professional Fire Protection Engineer and Certified Commissioning Authority.