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Alex Bar Promoted to Manager of King of Prussia Water & Wastewater Group
Alex Bar has been promoted to Water & Wastewater Group Manager in our King of Prussia office. In this role, Alex is responsible for managing local staffing, workloads and resource allocation to ensure the team continues to deliver high quality projects and superior client satisfaction.
Alex joined HRG in 2020 and most recently served as a water and wastewater team leader. He is a registered professional engineer and is certified in the condition assessment of pipelines, laterals, and manholes. He routinely assists with the design of water and sewer main replacements, pump stations, and treatment plant facilities. He is skilled at both engineering design and construction administration.
Justin Peaslee Named Morgantown Transportation Group Manager
We’re pleased to share that Justin Peaslee was recently promoted 
to transportation group manager in our Morgantown office. In this role, he is responsible for managing staffing, workloads and resource allocation so that the Morgantown transportation team continues to deliver high quality projects and superior client satisfaction. This includes monitoring project schedules and budgets while enhancing the employee owner culture and supporting the professional growth of transportation team members.
Justin has seven years of experience at HRG and most recently served as transportation team leader. He is a member of the American Society of Military Engineers and the American Society of Civil Engineers.
HRG Named One of the Largest Engineering Firms in Pittsburgh
Herbert, Rowland & Grubic, Inc. (HRG) has again been named one of the largest engineering firms in Pittsburgh by the Pittsburgh Business Times. We are ranked #8 in 2025, a significant jump from #25 the previous year.
HRG opened an office in Cranberry Township in 1994 and currently has almost 90 employees living and working in the Pittsburgh region.
“HRG has a great group of professionals and a loyal base of clients that continues to grow each year,” assistant vice president Jim Feath says. “Our success in this region belongs to them, and we thank them for continuing to work with us in this great city of ours!”
We’re One of the Best Places to Work in Engineering
Yesterday, we were announced as one of the Best Places to Work in Engineering. This ranking is based on feedback provided by our employee-owners about corporate culture, training and development opportunities, salary and benefits, and overall employee satisfaction.
When asked what makes HRG a great place to work, 5 major themes emerged in their responses:
- Work-Life Balance – We have a strong emphasis on family-friendly policies and flexibility.
- Remote/Hybrid Work – Employee-owners appreciate the ability to work remotely or in hybrid arrangements.
- Fairness & Inclusivity – People feel the company is fair and treats everyone with respect.
- Positive Work Environment – HRG has a strong culture of support, kindness, and collaboration.
- Flexibility – Policies accommodate different work styles and personal needs.
Since our founding, we have always sought to create a place where people can feel proud of the work they do, be rewarded for their contributions, and truly enjoy the experience of working together. This feedback from our team validates we’re succeeding. Thank you!
It’s #Good2bHRG
Jeff Mikesic Named Assistant Vice President, Transportation
HRG has promoted Jeff Mikesic to assistant vice president, overseeing the firm’s transportation service offerings. The position was created as part of an ongoing organizational realignment to scale the firm for growth while preserving its commitment to technical excellence and personalized service. The realignment creates unique channels for client outreach, technical expertise, and operational delivery, ensuring each gets proper focus and attention.
Mikesic’s position is part of the channel focused on technical expertise. As such, he will be responsible for driving quality and consistency in project delivery across the organization by ensuring best practices are implemented across all transportation teams and ensuring staff members get the training they need to meet evolving industry standards. He will also foster a collaborative, results-driven culture in the transportation group.
Mikesic joined the company more than 25 years ago as a CADD Technician and steadily earned increasing responsibility due to his strong commitment to the success of his clients and HRG. He has managed a wide variety of roadway, bridge, and capital improvement planning projects and is a member of the American Society of Highway Engineers.
Erin Threet, HRG’s vice president of services, says, “Jeff is a solid, reliable, and smart engineer with strong technical skills across all aspects of our transportation service offerings. He is a natural leader who was already performing many of the responsibilities this role requires in his previous role as transportation practice area leader, so I have full confidence he will do an excellent job.”
Mark Maguire Named Assistant Vice President
HRG has promoted Mark Maguire to assistant vice president, overseeing the firm’s data and capital solution service offerings. The position was created as part of an ongoing organizational realignment to scale the firm for growth while preserving its commitment to technical excellence and personalized service.
HRG’s original focus in civil engineering has broadened beyond design and construction in recent years to support the full scope of their client’s infrastructure needs. Data and information are playing a growing role in how businesses and governments make decisions, so the firm has been expanding its capacity to support those decisions with new service offerings related to the collection, management and utilization of data. This includes well-established expertise in surveying, geographic information systems, and finance alongside expansion into other technologies as clients’ needs evolve. This consolidated group of service offerings will be managed under Maguire’s leadership.
Maguire joined HRG in 2019 and has nearly 25 years of experience in the AEC industry with an emphasis on GIS and enterprise data-related functions. He holds a master’s degree in geography from Boston University and a geographic information systems Professional (GISP) certification. His experience includes spatial analysis and production, enterprise database design, field workflow development, and software implementation.
Erin Threet, HRG’s vice president of services, says, “Mark has a deep grasp of technology and a great mind for strategy. He has extensive experience working with our clients across all sectors, and he understands their needs well. He will do an excellent job serving them and shaping this area of our business.”
Justin Mendinsky Named Assistant Vice President of Water/Wastewater Services
We’re please to announce that Justin Mendinsky has been promoted to assistant vice president, overseeing the firm’s water & wastewater service group. The position was created as part of an ongoing organizational realignment to scale the firm for growth while preserving its commitment to technical excellence and personalized service. The realignment creates unique channels for client outreach, technical expertise, and operational delivery, ensuring each gets proper focus and attention.
Justin’s position is part of the channel focused on technical expertise. As such, he will be responsible for driving quality and consistency in project delivery across the organization by ensuring best practices are implemented across all water and wastewater teams and ensuring staff members get the training they need to meet evolving industry standards. He will also foster a collaborative, results-driven culture in the water and wastewater division.
Justin previously managed the water & wastewater team in HRG’s Harrisburg office and has more than 20 years of experience with the firm. He is active in the water and wastewater industry, serving in various leadership roles with the Central Pennsylvania Water Quality Association and Pennsylvania Water Environment Association over the years. In addition, he serves the community as a member of Carlisle High School’s Occupational Advisory Committee, ensuring engineering coursework reflects the skills students need to join the workforce and sharing work experience with the students in the classroom.
Mentorship is a key aspect of the assistant vice president position, according to Erin Threet, HRG’s vice president of services, and Justin excels in that role. She says, “Justin has been a mentor and friend to me since my first day at HRG, providing an impressive knowledge of how to bring projects to fruition. This includes some of HRG’s most complex and innovative projects over the past 20 years. He is quick to help any member of the team and works harder than almost anyone I know. I can’t imagine anyone better to lead and inspire the water and wastewater team.”
Adrienne Vicari Named Vice President of Growth at HRG
Adrienne Vicari is being promoted to vice president of growth, a new position that drives new client development across the organization.
This new position was created as part of an ongoing organizational realignment to scale the firm for growth while preserving its commitment to technical excellence and personalized service. The realignment creates unique channels for client outreach, technical expertise, and operational delivery, ensuring each gets proper focus and attention.
“To serve our clients best,” HRG’s Chief Services Officer, Josh Fox says, “we need to deeply embed ourselves in the markets we serve, building relationships and understanding their needs. We also need to have a high level of technical expertise in the services we offer, staying up to date on emerging trends and technologies so that we are at the forefront of quality and innovation. At the same time, we need to be an expert at project delivery, steering projects through challenges while meeting all schedule and budget goals. Each of these responsibilities requires unique skillsets and dedicated effort, so we wanted to establish leaders for each area while facilitating collaboration across all three channels.”
Vicari will lead the first channel, focused on building and nurturing client relationships. She will oversee a team of people embedded in HRG’s primary markets – government, utilities, and institutions – connecting with new clients, getting to know their operations, and assembling a team within HRG uniquely suited to meet their needs. This team will ensure HRG is deeply attuned to the challenges our clients face, while creating capacity for technical and project delivery leaders to excel in their roles.
Vicari is well-suited for this role, which takes effect December 2. She has more than 20 years of experience at HRG, serving clients across every industry and geographic we region we serve, and has consistently demonstrated deep insight into our clients’ needs and goals. She previously served as practice area leader for HRG’s Strategic Management & Capital Solutions group, helping clients streamline operations and achieve financial sustainability. She has also served in a variety of leadership positions with industry and community organizations, such as the Society of Women Environmental Professionals, Pennsylvania Municipal Authorities Association (PMAA) Women’s Initiative Network (WIN) Committee, Pennsylvania Water Environment Association’s (PWEA) Utility Management Committee, and Girl Scouts in the Heart of Pennsylvania.