Leadership Team

As CEO of HBK Engineering, LLC, Mr. Kaminski adds over 25 years of Engineering, Construction and Management expertise to the company. Since opening HBK in 1998, Ron has served as President then CEO of the firm. His responsibilities to HBK have changed throughout the years, but a commitment to make HBK the utility industry's premier engineering resource has never wavered. HBK's work involves some of this industry's most complex challenges, and performance continues to strengthen its valued reputation of providing safe, constructible and cost-effective deliverables. He is proud to be considered as one the utility industry's ambassadors, working continuously to protect and maintain the priceless infrastructure of our nation's subsurface and aboveground utility environments.

HBK is committed to our pillars of health, education, and safety. Ron is a Board Member of the Ann & Robert H. Lurie Children's Hospital of Chicago Foundation, Chicago Commons, the Chicago History Museum, and the Cal Ripken Foundation. Ron has also served on the March of Dimes Construction and Transportation Committee for many years. He is an active member of both the Chicago Club and Economic Club of Chicago.

Mr. Kaminski is married to Meridith Thorz Kaminski and has two beautiful daughters. Chicago's West Loop neighborhood is home for the family.

As President of HBK, Mr. Rehayem is responsible for overseeing the company’s day-to-day operations and its sustained growth, with emphasis on upholding high client satisfaction and excellence in its deliverables. Mr. Rehayem’s senior leadership team bring forward and direct the development of new solutions and offerings and oversee the company’s expansion into new markets. Mr. Rehayem helps communicate and implement the organization’s vision and overall direction.

In Mr. Rehayem’s 30+ years of experience, he has developed strong expertise leading large, complex organizations and projects, such as nationally recognized public safety initiatives at the City of Chicago while at IBM. Mr. Rehayem provided Executive Leadership on several high-profile deployments, including Operational Virtual Shield (OVS), a program recognized as a hallmark in assisting public safety professionals with extensive communications and protective assets. His proven record building and directing successful ventures begins with extraordinary focus on the client and a solid commitment to teamwork.

Mr. Rehayem has a master's degree in Computer Science from Northern Illinois University.

Sandra Arredondo is the Chief Administrative Officer responsible for HBK’s functional support areas: Human Resources, Information Technology, Finance, Community Relations, Marketing, Safety, and Facilities.  Sandra first joined HBK as a consultant in January 2016 and quickly established herself as a leader who became integral in the vision of building strong synergy between the functional support areas as they continue adding great value and efficiencies to the HBK’s 400+ workforce at large.

Sandra has over 20 years of HR leadership experience integrating employee populations and human resource functions following large-scale mergers and acquisitions within organizations such as GE, NBC and Tribune Media. Previously as SVP of HR at Tribune Media she was responsible for overseeing all of broadcasting’s human resources’ functions across 42 local television and radio stations consisting of 5,000+ employees.

Sandra has a master’s degree in Labor & Industrial Relations and a Bachelor’s in Psychology from the University of Illinois, Urbana.  She serves on the board of ABC Pilsen of Chicago.
 

With over 22 years of utility design and construction experience, Mr. Bergstrom is responsible for the business operations for the Chicago market which includes the management of the HBK sales and support staff.  In his 17 years with HBK, Mr. Bergstrom has been instrumental in the establishment of some of HBK’s largest service offerings, including Power Transmission Design, Fiber Optic Network Design, Manhole and Structure Inspection, Security/Surveillance Infrastructure Design Services and Utility Locating. Additionally, Mr. Bergstrom focuses on new business and program development across the country as well as strategic initiatives for the firm, including the continual development of HBK’s technology based services.

James Jackson, Jr., Senior Vice President at HBK Engineering, LLC. Jim is one of the founding engineers, one of the first employees, of HBK Engineering, LLC. Jim has a proven record in development, coordination, and management of Infrastructure design and construction management projects. His main focus is management of underground utility infrastructure projects within the City of Chicago and suburbs. For the past several years, Mr. Jackson worked inside construction companies and private utilities organizations, where he acquired a strong understanding of how to direct critical path items through procedural limitations while still maintaining owners’ schedules. With his extensive experience, Mr. Jackson brings leadership and knowledge with a constructability view point to every project.

Mr. Jackson also has extensive experience and knowledge in the field of Environmental Engineering and consulting. In addition to focusing on the study of Environmental Engineering during the course of his Master’s Degree, Mr. Jackson worked in the environmental industry during the eight years before he joined HBK Engineering. In the environmental industry, Mr. Jackson worked primarily in the areas of site investigations and remediation, waste management, regulatory compliance, and due diligence.

Mr. Jerak serves as Senior Vice President and General Counsel at HBK. Mr. Jerak is responsible for leading HBK's engineering team for legal, government relations, corporate development and new business development (strategic partnerships and licensing opportunities).

Prior to joining HBK, Mr. Jerak represented and provided general counsel to individuals, entrepreneurs and domestic corporations. In private practice, Mr. Jerak's focus was on the creation and modification of business relationships. In the financial sector, he has held line, management and staff positions with clients such as  Burroughs Corporation Standard Oil Company of Indiana, The Grace Commission, and the First National Bank of Chicago.

In addition to graduate studies in computer science (University of Chicago, Department of Computer Sciences), financial services law (IIT Kent Law School) and global markets and trading (IIT Stuart School of Business), Mr. Jerak holds degrees from the University of Illinois (B.A.- Psychology), DePaul University College of Law (J.D.), and the University of Chicago Booth School of Business (M.B.A.- Finance).
 

Mr. Kleyweg has over two decades of engineering experience, including capital program development as well as design and construction management of utility, municipal and DOT infrastructure projects. Mr. Kleyweg’s expertise is in the planning and design of overhead and underground infrastructure projects in the electric and gas utility markets for substation, transmission and distribution installations with emphasis on constructability and feasibility.

Mr. Kleyweg is directly responsible for overseeing the design output of HBK’s team of engineers and designers, with an emphasis on maintaining a high quality product while providing superior client satisfaction. Mr. Kleyweg is responsible for resolution of field related issues, key problem solving, scheduling and interaction with clients, consultants and contractors.

Mr. Kleyweg holds a Bachelor’s of Science degree and a Master’s of Science degree from the University of Illinois Urbana-Champaign with an emphasis on structural and geotechnical engineering. He currently maintains status as a Licensed Professional Engineer in over 40 states.
 

Brian Mulligan manages HBK Engineering’s operations for the East Coast and opened HBK’s first satellite office in Norristown, PA in May 2007.  Brian was also responsible for expanding HBK’s presence on the East Coast with the opening of our Center City Philadelphia office in May 2015 and our Baltimore office in May 2017. He is directly responsible for the operations of these satellite offices as well as new business development within the East Coast area.
Brian was instrumental in developing HBK’s service offerings to PECO Energy, PPL Electric Utilities and Crown Castle.  He has 25 years of experience and is knowledgeable in all project phases including planning, preliminary engineering, design, estimating, procurement, construction, claims, and closeout.
Brian is a licensed professional engineer in the states of Pennsylvania, New York, New Jersey and Illinois.  Brian is very focused on the customer experience and mentoring of HBK’s newer employees.  Brian extends this focus as member of the Board of Trustees of the Academy of Notre Dame de Namur in Villanova, PA.
Brian has a Bachelor of Science in Naval Architecture and Marine Engineering from Webb Institute of Naval Architecture.  Brian lives in Audubon, Pennsylvania with his wife Gisele and two daughters.

Mr. Yerkes has over 25 years of public and private sector experience in the municipal infrastructure and environmental engineering fields.

His public sector experience includes leading initiatives for alternative capital project delivery, contract and procurement efficiency enhancement, transparency, and infrastructure management.  He also has directed design, construction and program controls staff for more than $750 million in capital projects.  Projects included traffic control systems, roads, bridges, drainage systems, water and wastewater infrastructure, fire stations, libraries and other municipal infrastructure projects. In the private sector, Mr. Yerkes has worked for consulting engineering firms and an infrastructure operations company.  With these companies, he has held positions in office operations, business development, program management, and technical design.

Mr. Yerkes has a Bachelors in Civil Engineering from UC Davis as well as Masters and Doctorate degrees in Environmental Engineering from Vanderbilt University. He is currently a member of the American Society of Civil Engineers (ASCE), the Water Environment Federation (WEF), and American Public Works Association (APWA).