Meet Your Team
Michael Tarzian
Founder, CEO
Michael is a NABCEP certified solar professional who studied graduate-level renewable energy engineering at Arizona State University. After obtaining his degrees, Michael relocated to New York where he began a career in solar. His extensive experience in solar PV engineering has helped him lead teams of engineers in the design and fabrication of projects ranging from 50kW to 50MW.
Over Michael’s career, he has managed and overseen the construction of solar projects totalling over 200 megawatts of power.
Seana Parker
Operations Coordinator & Lead Expeditor
Seana is the results-driven Expediter at PHRGD, specializing in bridging the gap between solar engineering and municipal approval. She excels at transitioning designs from paper to power through a goal-oriented approach that keeps project timelines on track. By navigating complex local bureaucracies with a personable touch, Seana builds the vital relationships with city officials that keep our engineering team efficient and our customers' projects moving forward without delay.
Jake Leslie
Chief Construction Officer
Jake serves as our Chief Construction Officer, bringing 25 years of experience in the construction industry. Jake has a deep and well-rounded understanding of both field operations and executive leadership. Jake’s background as a residential and commercial electrician has given him a strong technical and tactile foundation in the industry. The past 12 years of his career have been focused in the solar sector, where he played a key role in delivering residential and commercial energy solutions.
Jake will oversee construction strategy, execution, and team development across the organization.
Meredith C
Business Development Manager
With over 10 years of experience working closely with PHRGD, Meredith brings a unique combination of creative design expertise and business development insight. Her long-standing involvement with the company has given her a deep understanding of PHRGD’s processes, values, and approach to delivering successful projects.
Blending creative thinking with commercial awareness, Meredith works across design, client relationships, and business development, helping to translate ideas into practical, effective outcomes.
Christopher John Mackin
Lead Construction Technician
Christopher John Mackin is Lead Construction Technician at Iron Energy. Chris is responsible for installing and maintaining solar systems specialising in data collection. He has over a decade of experience in installing and repairing a full spectrum of residential and business services, including: Television and Phone services, Internet and Metro Ethernet services and Xfinity systems.
Chris’s commitment to excellence is reflected in his projects at Iron Energy.
Donna Heater
Assistant Expeditor
Donna is the Assistant Expeditor at PhRGD, where she manages the permitting and interconnection process for solar projects from initial submission through approval. Since joining the team in 2024, she has played a key role in keeping projects organized, compliant, and moving forward by coordinating closely with engineers, utilities, and local jurisdictions.
With a background in administrative operations and real estate, Donna brings a high level of attention to detail, and client-focused communication to every project.
Driven by a growing passion for renewable energy, Donna is proud to support the development of solar projects.
Case Zilch
PV Engineer
Case is a Solar Engineer at PHRGD. With a background in engineering, he's overseen a handful of solar projects and is still early in his career, building a better understanding of industry standards along the way. He's continuing his education in a few industry certifications and adapting to the engineering side of battery energy storage systems (BESS).
Case cares about making energy clean, reliable, and safe for people to use. He handles a lot of the early preliminary work, as well as playing a role in the design side, making key decisions along the way to help keep projects on schedule and moving toward completion.