Work With Us
We continue to seek talented professionals to join our growing team. If you would like to join a creative entrepreneurial firm in which individuality and diversity are valued, career aspirations can be realized, and teamwork is the process by which the firm operates, please email your cover letter and resume to Human-Resources@in-posse.com for employment opportunities.
In Posse is an equal opportunity employer.
Robert Diemer, PE, LEED APRob Diemer is the founding partner of In Posse LLC and has over 28 years experience in building systems engineering and design. He is an expert in the design and integration of high performance mechanical systems with a specialization in sustainable systems.
As the partner in charge at In Posse, Mr. Diemer takes an active role and is involved in all aspects of projects. He works with clients and team members to ensure the project requirements are being met. He can often be found in the trenches with the design team
discussing ideas, suggesting improvements and reviewing work to ensure a quality end
product.
Mr. Diemer is Past-Chair of the Delaware Valley Green Building Council. He has lectured extensively on sustainable design and high performance HVAC systems including presentations at Design on the Delaware in Philadelphia, PA, the Green Building Design Salon in New York, NY and Light Focus at the Building Performance Congress, Frankfurt, Germany.
Rob is an Adjunct Professor at Philadelphia University and teaches the Masters of Science in Sustainable Design, High Performance Systems course. He has a Bachelor of Architectural Engineering degree from The Pennsylvania State University. He is a licensed professional engineer in New York, New Jersey and Pennsylvania, a member of ASHRAE and is a LEED Accredited Professional.
In his spare time, Rob loves to hang out with his family, walk his dog, Jake, and eat pulled-pork sandwiches.
Shannon Kaplan, PE, LC, LEED APShannon Kaplan specializes in the design and analysis of high performance electrical systems for buildings with an emphasis on ultra low-energy lighting systems, daylight harvesting and on-site renewable energy. For the past few years she has worked almost exclusively on high-performance buildings and LEED projects. Shannon works with clients, building owners and building occupants to help them find ways to optimize energy usage in buildings and has helped buildings achieve additional energy savings through programs involving occupant education and plug load policies. She has lectured extensively on sustainable design and high performance buildings including the AIA Philadelphia Chapter Design on the Delaware Conference and the Spring Suburban Conference.
Ms. Kaplan is a Professional Engineer licensed in the Commonwealth of Pennsylvania, a Lighting Certified Professional and a LEED Accredited Professional. She is an Adjunct Professor at Philadelphia University and teaches the Masters of Science in Sustainable Design, High Performance Systems course. Ms. Kaplan attended The Pennsylvania State University where she earned a Bachelors of Architectural Engineering and a Masters of Architectural Engineering with an emphasis in Illuminating Engineering.
Shannon also doubles as an elite level rower for the Vesper Boat Club on boathouse row. She enjoys cat herding when at home and can often be found at work in business attire and sneakers.
Aaron Dahlstrom, PE, LEED APAaron Dahlstrom specializes in sustainable design and high performance mechanical systems for green buildings with an emphasis on geothermal systems and energy modeling. He is a Professional Engineer licensed in the Commonwealth of Pennsylvania. Mr. Dahlstrom is an Adjunct Professor at Philadelphia University and has lectured there on Energy Modeling for High Performance Buildings. He is a LEED Accredited Professional and has a Bachelor of Science in Mechanical Engineering from Messiah College.
Aaron speaks Spanish and aspires to section-hike the Appalachian Trail.
George TrappGeorge Trapp has over 30 years experience in the design, field testing, commissioning and operating of critical, high performance mechanical systems. He has a special emphasis on the design of building control systems and the utilization of building control systems in the commissioning process. His experience includes projects in healthcare, pharmaceutical and laboratory buildings as well as extensive experience in commissioning of LEED projects. He has led commission teams for the ten building PECO LEED-EB initiative and the LEED-NC Gold rated Dansko Headquarters building in West Grove, PA. He is a member of the Building Commissioning Association.
When not actively taking part in hands-on commissioning activities, George is likely to be found hunting or fishing with his sons.
Robert Garcia, LEED APRobert Garcia specializes in the design and analysis of high performance mechanical systems for green buildings with an emphasis on energy modeling and computational fluid dynamics. He is an expert at building analysis and has analyzed passive and active ventilation systems using the Airpak CFD program. He has extensive experience in energy modeling including completion of the energy model for the 1,000,000 square foot Capital Health Replacement Hospital project in Hopewell Township, NJ. Mr. Garcia is a graduate of Virginia Tech and holds a Bachelor and Masters of Science Degree in Mechanical Engineering. He is a LEED Accredited Professional and has passed the Fundamentals of Engineering (EIT) Examination.
Robert is committed to maintaining a low carbon footprint by cycling to work and by supporting local agriculture. In his free time, he keeps busy with his love of art and music.
Brendan McGrathBrendan McGrath specializes in the design and analysis of high performance building systems. He has experience evaluating buildings within a variety of industries, including waste treatment and reclamation, laboratories and high-rise office buildings. Brendan combines field experience and computational analysis to prepare energy models that help clients benchmark their buildings as well as identify opportunities for energy savings. Brendan has experience evaluating, from a life cycle perspective, products and systems from cradle-to-grave/cradle.Mr. McGrath is an Engineer in Training, Life Cycle Assessment Accredited Professional, and a LEED Accredited Professional. He attended the University of Florida where he earned a Bachelors of Environmental Engineering.
When Brendan is not at work, you will most likely find him on a bicycle either in Fairmount park, the suburbs of Philadelphia, or somewhere else along the East Coast. He races for Bicycle Therapy racing team of Philadelphia. While not on a bike, he also makes them - custom steel frames and forks for any discipline of cycling.
