About

Established in 2002, CxGBS is an innovative industry leader utilizing our Holistic Commissioning process as the foundation for integrating sustainability and high-performance building systems. Commissioning is our business. Our breadth of experience includes six billion in construction across all building types.

OPERATIONAL EFFICIENCY

CxGBS Assists Long-term Building Owners By Understanding and Elevating Project Requirements and Goals

Commissioning & Green Building Solutions, Inc. (CxGBS®), a woman-owned small business, is a professional services consultancy providing innovative solutions to achieve high performing buildings through the process of commissioning. Our Holistic Commissioning® process, developed from years of design, construction, and operations experience, is a comprehensive approach that encompasses sustainability, building enclosure, mechanical, electrical, and plumbing systems integration into harmonic and efficient operating facilities – right from the start. The process provides a single thread of information beginning with project concept and the development of the Owners Project Requirements (OPR) and following through the life of a building by monitoring building systems and combining measurement and verification with fault detection to assist O&M staff maintain the highest efficiency possible.

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WHAT WE DO

No Middle Connection - Our Project Managers Are Your Connection Every Step of the Way

With a combined century of expertise in sustainable design principles, construction, engineering and building operations, our interdisciplinary teams develop creative, custom solutions for individual project needs. CxGBS’ current staff includes highly-skilled professional engineers, architects, project managers, LEED accredited and certified commissioning professionals.

Christine Miley
Chief Executive Officer
Co-Founder
H. Jay Enck
CTO - Co-Founder/Principal - Commissioning Professional
Project Manager
GA-PA
David Cantrill
Vice President
Commissioning Professional
Project Manager
MS-TX
John Rippel
Commissioning Professional
Project Manager
MS

• Commissioning is a collaborative team process

 • Building efficiency encompasses all building systems

• Commissioning process provides a single thread of design, construction, and operational information

• Ongoing commissioning is the key to persistent building performance

• The vast experience of our cross-trained CxGBS team brings efficiency and consistency to projects

• Time is of the essence in construction

WHAT WE DO

No Middle Connection - Our Project Managers Are Your Connection Every Step of the Way

With a combined century of expertise in sustainable design principles, construction, engineering and building operations, our interdisciplinary teams develop creative, custom solutions for individual project needs. CxGBS’ current staff includes highly-skilled professional engineers, architects, project managers, LEED accredited and certified commissioning professionals.

Christine Miley

Chief Executive Officer
Co-Founder
Christine Miley is co-founder and chief executive officer of Commissioning & Green Building Solutions, Inc. (CxGBS®). As an accomplished businesswoman, Christine has a broad and diverse career portfolio that includes: management, construction, client relations, employee development, human resources, and program trainer. Christine operated her own construction company. She provided outreach, membership, and training for twenty-five counties at a nonprofit. And she was the operations officer for a design-build company. Christine has extensive experience in both performing and managing all aspects of the hospitality industry including: staffing, accounting, guest services, operations, purchasing, and coordination of major renovations. In 2002, Christine developed the first USGBC-approved Policy and Plan for Green Operations in the Southeast. The Arthur M. Blank Family Office implemented the policy and they still use them today. Further, in 2012, Christine worked with curriculum developers to create a hands-on exploration of sustainable topics for grades 6–12 known as CxGBS School. The Teaching Tool Curriculum correlates to the Common Core Georgia Performance Standards and national STEM initiatives. She is a certified California energy auditor and LEED® AP.
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H. Jay Enck

CTO - Co-Founder/Principal - Commissioning Professional
Project Manager
GA-PA
Jay Enck is co-founder and chief technical officer of Commissioning & Green Building Solutions, Inc. (CxGBS®). As a senior commissioning authority and LEED® fellow, Jay is a well-established, innovative leader in commissioning, operational efficiencies, building forensics and enclosures, green design, and sustainable development. Jays experience is drawn from conducting commissioning processes for more than $5 billion in construction consulting and assissting more than 50 teams in achieving LEED certification. Jay is a valuable partner to USGBC, ASHRAE, and the National Institute of Building Sciences. Throughout Jay's career he has authored and co-authored numerous industry guildines. Additionally, Jay was the founding director of the Atlanta Regional USGBC Chapter (now the Georgia Chapter), founder of the Southeast Regional Chapter of the Building Commissioning Association, and co-founder of the Building Enclosure and Commissioning (BECx) Collaborative. He is currently a member of the National Board of Directors for the Building Commissioning Association. Furthermore, Jay has contributed to the development of the LEED rating systems and professional exams. He has served on both the USGBC Sustainable Sites and Energy Atmosphere Technical Advisory Groups and is co-author of the commissioning requirements for LEEDv4. Jay was nominated by his peers and had the honor of receiving the distinguished designation of LEED Fellow.
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David Cantrill

Regional Manager
Commissioning Professional
Project Manager
MS-TX
David Cantrill graduated from Texas A&M University with a Masters Degree in Mechanical Engineering. David is a licensed Mechanical Professional Engineer (PE) in Texas, Georgia, Tennessee, Kentucky, Alabama, and Mississippi. Additionally, his certifications consist of Building Commissioning Association Certified Commissionig Provider (CCP) and Occupational Safety and Health Administration (OSHA). David has extensive experience serving as a project manager for the commissioning process. David's experience is derived from commissioning more than 8 million square feet of building projects. He provides excellent commissioning management and guidance during the pre-design, design, construction, warranty operations and maintenance phases of projects. Additionally, David’s experience with energy modeling software allows him to assist the design team with energy efficiency and sustainable design goals.
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John Rippel

Commissioning Professional
Project Manager
MS
John Rippel graduated from the University of South Florida with a Masters in Business Administration. Prior to his MBA, John graduated from Georgia Institute of Technology with a Bachelor of Science in Mechanical Engineering. John is a licensed Mechanical Professional Engineer (PE) in Mississippi, Georgia, Florida, Tennessee, and Arkansas. Additionally, his certifications consist of ASHRAE Building Commissioning Professional (BCxP), LEED® Accredited Professional Building, Design and Construction (LEED® AP BD+C), and Occupational Safety and Health Administration (OSHA). John is a highly-accomplished commissioning professional in the education, healthcare, federal, and commercial industries with over 19 years of experience and more than 1.5 million square feet of buildings commissioned. John is a proven leader and project manager known for his excellent commissioning management and guidance.
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Sophie Wilkes

Commissioning Technician
GA
Sophie Wilkes graduated from Karlsruhe Institute of Technology in Germany with a Masters Degree in Energy Engineering. Prior to her Masters, Sophie obtained her Bachelor of Science in Mechanical Engineering from Karlsruhe Institute of Technology. Sophie is currently studying for her Engineer in Training and serving as a Commissioning Technician at CxGBS. She is currently certified in Occupational Safety and Health Administration (OSHA). Sophie's experience is drawn from her broad understanding from her studies while working with a team to find a more sustainable indoor climate concept for buildings by ensuring a zero-energy building concept. Since joining CxGBS, Sophie has gained tremundous experience in building commissioning by being on the job. She has performed functional testing along with drafting commissioning plans, issue reports, and supervised project managment.