Zweig Group

Certified Partner

About Zweig Group

The leading advisory, research, publishing, training and development, events and awards resource for the architecture, engineering, and consulting universe

We exist to Elevate The Industry as the leaders in driving purpose and performance for the AEC universe. Zweig Group is the leading advisory and consulting, research and publishing, training and development, events, and awards resource for architecture, engineering, constructing, and consulting firms. As a management consulting firm driven by the latest data and case studies from the highest performing firms in the industry, we equip you with the tools and resources necessary to improve your success.

Team Leaders

Phil Keil

Phil Keil

Principal | Director of Strategy

Through a passion to drive purpose and performance, Phil is your strategic thought-partner where he collaborates with firms to guide them towards designing and achieving their ambitions. A polymath with a diverse background in strategy, M&A, engineering, supply chain, physics, government, entrepreneurship, and R&D, he passionately provides a unique and insightful impact.

Phil began his career serving in the U.S. Air Force where he led organizational management, training, and standardization procedures for hundreds of aircraft armament systems troops. He developed sales and supply chain strategies for one of the world’s largest retailers, started a medical device company based on proprietary technology treating neurological and psychiatric disorders, and managed multi-million-dollar projects for a Fortune 100 chemical company as an improvement engineer.

Phil holds BS degrees in Chemical Engineering and Physics and an MBA with a focus on entrepreneurship and innovation. In 2017, Phil was recognized by the Northwest Arkansas Business Journal as a member of the “Fast 15” for his business and leadership accomplishments. He is regularly invited to speak on a myriad of topics including strategy and leadership.

Jamie Claire Kiser

Jamie Claire Kiser

Managing Principal

Jamie Claire Kiser is Zweig Group’s Director of Advisory Services. Following her promotion to Director of Advisory Services, her responsibilities increased to include strategic leadership over all of Zweig Group’s consulting areas, including valuation, ownership transition consulting, marketing consulting, M&A, recruiting and executive search, and strategic planning. She is managing principal at Zweig Group and she is also the founder and author of the platform ElevateHer as part of Zweig Group’s mission to Elevate the Industry. Her national conference speaking experience includes AIA, ACEC, ElevateAEC, SMPS Build Business, and CXPS.

Prior to joining Zweig Group, Jamie Claire practiced law and also worked in commercial banking. She joined Zweig Group in 2015 with an initial focus on mergers & acquisitions and a drive to build long-term value for AEC firms.

Jamie Claire holds a Masters of Business Administration, Juris Doctor, and Bachelors of Arts in History. She is an outside board member to Miyamoto International, based in Sacramento, CA; and is on the board of the Buffalo River Foundation, a 501(c)(3) nonprofit dedicated to conserving the Buffalo National River.

Chad Clinehens

Chad Clinehens


Chad has worked with AEC firms throughout the US on a variety of needs – strategic business planning, turnarounds, partner separations, organizational restructuring, mergers and acquisitions, marketing and sales, growth campaigns, and more. He is passionate about the business side of design and technical service firms and has built a career on leading them through growth and change.
As a registered professional engineer, Chad brings in-depth knowledge of what makes professional service firms and the people who work for them unique. Working in the industry for more than 20 years, he has been involved in many aspects of the business including design, project management, department management, regional office management, and directional leadership.
Chad holds an MBA and a Bachelor of Science in Civil Engineering and is a registered professional engineer.