Honesty, Integrity & Commitment

Mike Mencarini


Mike is a champion of Unger’s core values and is deeply commitment to building great people who build great projects. His constant encouragement, support, and leadership drive our focus on developing lasting partnerships and delivering complete client satisfaction. 

•    35+ years of building experience
•    B.S. in Construction Management from CSU, Sacramento
•    Former President, Associated General Contractors of California

Ken Harrison

Vice President

Ken is driven by the challenge of developing creative solutions that align with a client’s business plan. His dedication to creating lasting partnerships with clients, design teams, and trade partners is a key component to Unger’s success story. 

•    30+ years of building experience
•    B.S. in Construction Management from CSU, Chico


Jason Tabacco
Vice President

Jason is a problem solver with a strong passion for developing repeatable processes that reduce cost and wasted time. His favorite part of the job is working with teams to identify unique goals and challenges on upcoming projects and help create a plan to make each project successful.

•    20+ years of building experience
•    B.S. in Civil Engineering from UC, Berkeley
•    U.S. Army Veteran 

Kathy Sherry
Project Executive

Kathy guides her teams to the highest levels of project execution and client satisfaction. Listen to your client’s needs, find the best solutions, and do the work with the highest level of craftmanship and safety.  

•    25+ years of building experience
•    B.S. in Civil Engineering from Syracuse University

Juli Riles

Juli literally grew up in construction working for the family’s electrical subcontracting business. In addition to her responsibilities as Controller, Juli supports the industry with her involvement in CFMA, the Sacramento Veterans Employer Resource Group and the Sac State Construction Management program.

•    15+ years of building experience

•    Master’s Degree in Law from University of the Pacific, McGeorge School of Law

•    Certified Construction Industry Financial Professional – ICCIFP/CFMA

•    Certified Managerial Accountant from IMA - Institute of Management Accountants

•    Senior Certified Professional from SHRM - Society for Human Resource Management


910 X Street
Sacramento, CA 95818

North Bay Office
737-G Southpoint Boulevard 
Petaluma, CA 94954



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