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Our People United by a Shared Purpose.

At MacKay Sposito, we build relationships: with our clients, our communities, and each other. We have fun together, celebrate each other’s success, and amplify our impact through honesty, dedication, and an unwavering focus on the human connections that inspire and strengthen every facet of our work.

Two MacKay Sposito team members smile while walking down a bright, modern office hallway.

Our People-First Culture.

We’re not just shaping landscapes, we’re shaping meaningful connections. We embrace this spirit every day, fostering an environment of respect, integrity, and inclusivity, where every team member is cared for and empowered. We value cooperation, creativity, and diversity of thought and experience, firm in our belief that these qualities lead to better outcomes for our clients and the communities we serve.

We believe in our mission and the people who make it real, creating an atmosphere where our team members are encouraged to exchange ideas, collaborate on concepts, and make their voices heard. Our leadership is available and eager to share their expertise, guiding and mentoring the next generation of our firm.

Collage of MacKay Sposito team members collaborating over large maps and project plans in a bright, modern office.
Collage of MacKay Sposito team members collaborating over large maps and project plans in a bright, modern office.

Our People-First Culture.

We’re not just shaping landscapes, we’re shaping meaningful connections. We embrace this spirit every day, fostering an environment of respect, integrity, and inclusivity, where every team member is cared for and empowered. We value cooperation, creativity, and diversity of thought and experience, firm in our belief that these qualities lead to better outcomes for our clients and the communities we serve.

We believe in our mission and the people who make it real, creating an atmosphere where our team members are encouraged to exchange ideas, collaborate on concepts, and make their voices heard. Our leadership is available and eager to share their expertise, guiding and mentoring the next generation of our firm.

Leadership Team.

  • Headshot of Derrick Smith, a person with short gray hair, rectangular glasses, and a light beard, wearing a black blazer over a light blue shirt, smiling outdoors with greenery and a blurred building in the background.

    Derrick Smith

    President, CEO
  • Headshot of Jerry Balch, a smiling person with short dark hair and glasses wearing a light blue button-down shirt against a blurred green foliage background.

    Jerry Balch

    Chief Administrative Officer
  • Headshot of Erik Nelson, a smiling man with glasses in a blue suit and striped tie, posed outdoors against a blurred green background.

    Erik Nelson

    Chief Operating Officer
  • Headshot of Petru Santu Acquaviva, smiling in a navy suit, white shirt, and navy polka-dot tie against a blurred green outdoor background.

    Petru-Santu Acquaviva

    Chief Development Officer
  • Headshot of Rob Palena, a smiling man with a shaved head and short gray beard wearing a light purple polo, outdoors with blurred greenery in the background.

    Rob Palena

    Vice President of Construction Management
  • Headshot of Dan Overton smiling, wearing glasses and a blue suit with a patterned tie against a blurred green outdoor background.

    Dan Overton

    Vice President - Southwest Region
  • Headshot of Paul Harmsen wearing a light blue dress shirt and blue-striped tie, with shoulder-length hair and a slight smile against a blurred green background.

    Paul Harmsen

    Director of Engineering
  • Headshot of Michael Strachan smiling, with short dark hair and a mustache, wearing a light plaid button-down shirt against a blurred green outdoor background.

    Michael Strachan

    Director of Marketing and Business Development
  • Headshot of Stephanie Cameron smiling, wearing glasses and a bright pink top, with a soft-focus green leafy background.

    Stephanie Cameron

    Director of Communications
  • Headshot of Jason Joyce smiling in a black polo with the MacKay Sposito logo, outdoors against a blurred green background.

    Jason Joyce

    Director of Human Resources
  • Headshot of Jyoti Sohi, smiling outdoors in a black top with a gold pendant necklace against a blurred green background.

    Jyoti Sohi

    Controller
  • Headshot of Jason Irving smiling outdoors in a pink polo, with a shaved head and a blurred leafy background.

    Jason Irving

    Senior Engineer, Principal
  • Headshot of Erin Toman, smiling with shoulder-length blonde hair, wearing a black blouse, in front of a blurred green outdoor background.

    Erin Toman

    Land Development Services Manager
  • Headshot of Kristen Currens smiling with glasses and shoulder-length hair, wearing a teal dress with arms crossed against a blurred green foliage background.

    Kristen Currens

    Environmental Science and Permitting Manager
  • Headshot of Tony Chenier, a person with short brown hair wearing a light blue button-down shirt, posed outdoors with greenery and a blurred modern building in the background.

    Tony Chenier

    Land Survey Manager
  • Headshot of Paul Smith, a smiling person with glasses and short dark hair, wearing a light blue MacKay Sposito button-down against a green, leafy background.

    Paul Smith

    Branch Manager, Vancouver
  • Headshot of Lisa Moore smiling outdoors, with long brown hair, wearing a tan blazer over a light blue top against a leafy green background.

    Lisa Moore

    Branch Manager, Federal Way
  • Headshot of Bryan Cole smiling in a light blue button-down shirt, wearing glasses and a short gray goatee, against a blurred green outdoor background.

    Bryan Cole

    Branch Manager, Pasco
  • Headshot of Jerry Aplass outdoors, with short gray hair and a mustache, wearing a light blue button-down shirt against a blurred background of green trees.

    Jerry Aplass

    Branch Manager, Roseville
Person standing between a white and a black Ford pickup, both wrapped with MacKay Sposito branding and colorful geometric graphics, parked outdoors at a business campus.

Join Our Team.

We know that better outcomes for our clients and communities are a direct result of the values we live by and how we treat our team members. Learn more about open positions at MacKay Sposito and opportunities to contribute to our meaningful work.

Careers at MacKay Sposito