Learn More About WITA
About Sandra Daffer
Sandra Daffer is the owner of Hawaiian Built Roofing, a family-run roofing company based in Boise, Idaho, serving the Treasure Valley for over 20 years. She specializes in full roof system installations, energy-efficient upgrades, and solar roofing solutions.
Sandra is the founder of Women in Trades Alliance (WITA), where she brings together driven women in the trades to collaborate, grow, and build real businesses. She is passionate about raising the standard in the industry through education, accountability, and strong professional relationships.
Adrienne Esposito
Adrienne Esposito has spent her career doing what she does best; connecting people, building community, and helping businesses grow. A long-time Treasure Valley resident, she is deeply committed to seeing small businesses thrive, both as a WaFd VP & Branch Manager who matches owners with the right financial solutions, and as a passionate volunteer and advocate for several nonprofit organizations she is proud to serve.
But Adrienne's impact doesn't stop at the branch door. A champion for women in business, she shows up for her community in ways that go far beyond banking, fostering connection, collaboration, and opportunity for women who are building something of their own. Her dedication to small business success, women's empowerment, and the greater Treasure Valley community makes her a natural fit and valued member of WITA.