About Us

Creating a Healthier, More Just and Prosperous World

At Epsten Group, we pride ourselves on being a pioneer for sustainability in the built environment. Sustainability is in our DNA– it’s the right thing to do for future generations and the legacy we leave behind. We maintain the front-line of sustainability, spreading the word globally and investing locally.

Industry pioneers to our core, we push the boundaries by walking many clients through their own firsts. Our services remain flexible to meet the growing demand for a sustainable, healthier future. Our team strives to create a global impact surrounding green initiatives and maintains a company culture that reflects this. We celebrate diversity, inclusion, and equity and have recruited top talent from all over the globe. With office flexibility and a work-life balance, we accommodate individual preferences, believing that freedom, respect, and creativity lead to happiness and prosperity.

Motivated by a Global Vision

With a core mission to build a healthier, more just and prosperous world, we value diversity and inclusion. We are proud to say that Epsten Group has:

  • 9 in-house foreign languages
  • 2/3 female employees
  • Sponsored several foreign nationals from around the world

Epsten Group is the first Just™ labeled professional services company in the Southeast US, a distinction granted by the International Living Future Institute to identify socially just and equitable organizations. We contribute our time and knowledge to our local community, staying focused on our mission by working and sharing together.


We’re proud of our trophy case. For years we have been recognized as innovative experts with industry-leading knowledge. We strive for excellence with each and every project, and our awards and recognition demonstrate this level of dedication.

  • 2022


WELL Enterprise Provider Designation

  • 2022


WELL Health-Safety Rated

  • 2021


JUST Label “Renewal” and update to v2.0

  • 2021


LEED ID +C v4.1 - Gold

  • 2020


LBCv3.1 - Materials v4.0 Petal Certification

  • 2020


Fitwel - 2 Stars

  • 2021


RESET Air v2.0 Accredited

  • 2021


AIA Georgia Presidential Citation Award - Carmen Evans

  • 2021


FSC Award - 2021

  • 2016


JUST™ Label Award for Transparent Operations Practice

  • 2016


Invest Atlanta Award for Excellence in Innovation

  • 2015


ENR Southeast’s 2015 List of Top Design Firms- Engineering News

  • 2013


AIA Georgia Sustainability + Energy Citation

  • 2012


Urban Land Institute (ULI) Award of Excellence Finalist

  • 2011 - 2012


BOMA TOBY (The Outstanding Building of the Year) Award

Our Leaders

It takes strong leadership and deep knowledge to influence global change, and that’s what we have at Epsten Group. Meet the experts behind the international demand for sustainability.

Bill D’Onofrio

Principal & Director of Operations

Bill D’Onofrio

  William “Bill” D’Onofrio, AIA, serves as a Principal and the Director of Operations for Epsten Group. Since joining the Firm in 2012, he has had a tremendous impact on our growth. Having devoted more than 20 years to a career in architecture, he has worked on numerous government, office, industrial, retail and interior projects throughout the southeast. This perspective allows him to look at the business through a unique lens, providing meaningful oversight to our projects, mentorship to our expanding employee-base, spearheading strategic growth opportunities and pinpointing valuable solutions for our clients. He embodies the Firm’s beliefs that together with our clients, we can build a healthier, more just and prosperous world through sustainable practices. Bill is an avid traveler and likes to experience different cultures, having explored almost 30 countries throughout the world. FUN FACT: Bill’s favorite building in Atlanta is the High Museum.
Darren Draper

Principal & Director of Commissioning

Darren Draper



Darren Draper has dedicated his career to the important aspect of building commissioning, even serving as an expert on the topic for many A/E/C industry-related panel discussions. He is also one of two instructors for AABC Commissioning Group’s (ACG) Commissioning Authority Certification preparation workshop. As a certified expert in the field (CxA), he oversees the Firm’s commissioning services, including M/E/P systems, building envelope, and retro-commissioning. An exercise of communication and teamwork, his dedication to his role ensures that owners and end-users obtain an excellent return on their investment, and working hand-in-hand with other Firm principals, Darren integrates commissioning early in the design phase to maximize the benefits.

FUN FACT: Darren once played in a heavy metal band and is now the rocking father of three young children.

Lauren Wallace

Principal & Director of Certifications and Consulting

Lauren Wallace

LFA, WELL AP, LEED AP, Fitwel Ambassador


Joining Epsten Group in 2009 as an Architectural Designer, Lauren is now a Principal and the Director of Certifications and Consulting. She is a leading sustainability consultant who cares about incorporating sustainable practices throughout the design-build industry. Aligning with the firm’s beliefs, Lauren’s work demonstrates that planning for the long-term can truly pay-off for a project. By working alongside her to integrate widespread sustainability practices, her clients can save time and money, and equally important, attract and retain much-needed talent. Along with her incredibly talented team, she helps uncover the possibilities.

FUN FACT: Lauren and her family are season ticket holders for the Atlanta United Major League Soccer team that won their first National Championship in 2018 at the LEED Platinum Mercedes-Benz Stadium. As a Georgia Tech alum, she finds it hard to sport the colors red and black, but her love for our local champions wins her over.

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