Request a Proposal Contact Us Access ARTEMISSM Who We Are What We Do Sectors We Serve Careers Resources Leadership Experience and Excellence Leads to Success Dave Fabianski Chief Executive Officer Dave is widely regarded for his authentic, inspirational leadership style and his achievements leading strategic growth, business transformation, and organizational success. As CEO, Dave blends strategic vision with a pragmatic, disciplined approach to business execution; an unwavering focus on customer excellence; and a commitment to maintaining a healthy culture and a talented, vibrant, and engaged workforce. Prior to Apex, Dave served as President of Rite-Solutions, Inc. and Senior Vice President & General Manager at Vangent, Inc. He holds an MBA from Northeastern University and a BS in Workforce Development and Education from Southern Illinois University. He also served honorably for 10 years with the US Naval Submarine Force and continues his affiliation with the armed forces as a member of the Veteran Mentor Network and Homes For Our Troops. In his free time, Dave enjoys volunteering with USA Hockey, supporting Autism Speaks, and spending time with his wife and three children. Darwin L. Nelson, PE Chief Operating Officer Darwin brings 30 years of experience in operational leadership, organizational effectiveness, and strategic growth. As COO, he leads the company’s nationwide business operations across multiple geographies, end markets, and service areas. He is responsible for ensuring Apex operates in a highly effective, safe, and efficient manner while aligning people, processes. and culture to deliver exceptional client satisfaction and sustainable growth. Prior to Apex, Darwin served as President of Tetra Tech AEG and previously as President of CDM Smith’s North America Unit. He is a registered Professional Engineer with a BS in Civil Engineering from Arizona State University. Darwin enjoys spending his leisure time outdoors—hiking, camping, fishing—and quality time with his three sons. Brian Burke Chief Financial Officer Brian brings over 30 years of financial management experience spanning risk management, financial reporting, strategic planning, and mergers and acquisitions-expertise he uses to help Apex strengthen its traction in the marketplace. Before joining Apex, he served as the Chief Financial Officer and Executive Vice President for Archway Marketing Services. Prior to that, he served as the Vice President of Corporate Development for Snyder Communications where he led the due diligence and negotiations for myriad complex transactions. Brian began his career in public accounting with Arthur Andersen where he earned his CPA designation. He holds a BS degree from Virginia Tech and when he's not working, he enjoys spending time with his teenage son and daughter. Pam Semler Executive Director, Human Resources Pam, a seasoned human resources (HR) professional with over 30 years’ of multi-faceted experience, provides management and oversight of our HR organization and development and execution of our HR strategy. Tapping a diverse background and extensive experience, she addresses emerging business drivers and organizational issues, while balancing the needs of our employees and the dynamics of a growth-oriented workplace. Prior to joining Apex, Pam served in HR management positions with General Dynamics Information Technology, Vangent, Inc., Interactive Media Corporation and its predecessor companies; as well as in consultative roles with IBACOS and Rite-Solutions. When she's not working, Pam enjoys landscaping, “farm to table” cooking, designing cards and invitations, and above all, spending time with her family and grandchildren. Jim Cochrane Chief Information Officer As Chief Information Officer, Jim combines his background in both information technology and his passion for innovation and leadership with over 28 years of diverse industry experience. Jim’s vision, and ability to enhance, adapt, and implement technology in both a secure and reliable manner ensures efficient and effective technical solutions for Apex. Before joining Apex, Jim implemented cutting edge solutions for the Orange County Tax Collector’s office as their CIO, benefiting hundreds of thousands of residents in Florida. Prior to that, he served as IT Director with General Dynamics where he led several national and international projects focusing on technology infrastructure, cloud solutions, security, and innovation. He holds a MS in Management of Information Systems from Florida Institute of Technology and a BS in Computer Science from the University of Central Florida. Jim enjoys hiking, running, and spending time with his wife and three daughters. Diane Anderson Vice President & Southeast Regional Manager Diane’s diverse career in the environmental remediation and consulting industry spans over 29 years and has included both business development and operational leadership roles. As Apex’s Southeast Regional Manager, she is responsible for operations and growth in Florida, Georgia, the Carolinas, Virginia, and Texas. Diane is known for her collaborative and team-building approach, her dedication to her people, and her commitment to a healthy culture and excellence in project execution and client service. Diane is experienced managing both private sector and government/regulatory programs across a broad range of engineering and environmental services. She earned her BS in Civil Engineering from Florida State University. In her spare time, Diane enjoys spending time outdoors (fishing & hiking) and volunteers with animal rescue efforts. Herb Clough, PE Vice President & West Regional Manager Herb has over 35 years of engineering and operational consulting experience. As Apex’s West Regional Manager, he is responsible for operations and growth in Oregon, Washington, and throughout California. Prior to Apex, Herb was a Partner with Ash Creek Associates, an environmental consulting company in Portland, Oregon, and previously was a Principal Engineer at Hart Crowser. In addition to his management duties, Herb continues his technical role, consulting on investigation and cleanup of the Portland Harbor Superfund Site. He is a registered Professional Engineer with a BS/MS in Civil Engineering from Oregon State University. With his wife and short‑haired pointer, Herb lives in Central Oregon where he takes advantage of the many beautiful golf courses. He has two sons and a granddaughter. Edward Coleman, JD Commercial Stormwater Manager Edward began his career in stormwater in 2007, serving as General Counsel and Chief Operating Officer for Retention Pond Services (RPS), which was acquired by Apex in 2019. As the Manager of Apex’s Commercial Stormwater Practice, he oversees a broad range of technical capabilities including inspection, repair, emergency response, and regulatory compliance. Edward’s technical acumen, client engagement skills, and leadership capabilities are invaluable in leading a large team of stormwater experts, field technicians, estimators, and project/client managers. In addition to 15 years practicing environmental law and construction law, he is a licensed general contractor in multiple states and holds a national NASCLA contractor’s certification. He is a graduate of the Fogelman School of Business and Economics at the University of Memphis as well as the University of Memphis School of Law. Away from the office Edward enjoys spending time with his family, being on the water, and attending sporting events. John Glabach, PE, PMP Vice President & Central Regional Manager John’s 24 years of experience in engineering, environmental consulting, and construction has facilitated a diverse skillset and unique approach to problem solving that he brings to his role as Apex’s Central Regional Manager. His background includes over seven years of service as a Civil Engineer Officer in the US Air Force, during which time he developed a strong foundation in leadership, project management, and technical engineering. He has served in a leadership capacity for over ten years, previously at Weston Solutions as Central Federal Regional Manager, and now at Apex, where he is focused on the growth and execution of our project work for clients across the central United States. John is a licensed Professional Engineer in Texas and Colorado with a ME in Civil Engineering from Norwich University and a BS in Civil Engineering from the University of Colorado. He is also a Project Management Professional (PMP) and Envision Sustainability Professional. John resides in Colorado where he enjoys spending time with his family, playing hockey, and enjoying the beautiful Colorado outdoors. Brian Pine Vice President & Northeast Regional Manager Brian is a dynamic and results-oriented leader with more than 25 years of experience in the environmental consulting, remediation and construction industry. As Northeast Regional Manager for Apex, he leads all operational and growth functions in the geography, overseeing the expansion and execution of work within Apex’s primary practice areas, and working with a diverse team to deliver exceptional results on a consistent basis. Brian’s professionalism, commitment to excellence, and leadership are complemented by his passion for people; known for promoting the accomplishments of his team and building a positive working culture, Brian is dedicated to recognizing and rewarding both hard work and a positive attitude. Prior to Apex, he served as Principal, Regional Manager for Environmental Compliance Services, Inc. Brian earned his degree in Mechanical Engineering from the University of Pittsburgh and maintains professional credentials with both the Pennsylvania Department of Environmental Protection (PADEP) and Steel Tank Institute (STI). When he is not working, Brian enjoys outdoor activities with his expanding family. How Can We Help You Succeed? 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