Congratulations to SKC’s Andrea Diaz and Nicole DeRosa for being named to the 2025 NJBIZ Finance Power List! This recognition honors New Jersey’s top finance professionals who go beyond their day-to-day roles to serve as trusted advisors delivering strategic, tech-driven, and forward-thinking financial guidance to business owners and executives.
Andrea Diaz, CPA, MST
A partner at Boonton-based full-service accounting firm SKC & Co. CPAs, Diaz specializes in working with entrepreneurs in all aspects of their businesses. She concentrates on developing strong relationships with her clients so she can fully understand their business models and how to keep them profitable. While focusing on growth strategies, Diaz ensures that her clients’ personal goals are in line with their business outcomes. In addition to being a member of the American Institute of Certified Public Accountants and the New Jersey Society of Certified Public Accountants, Diaz also holds the designation of Accredited in Business Valuations from the AICPA. She has a Masters in Taxation from Rutgers University and a Bachelor of Science in Business Administration from Monmouth University. The recipient of multiple awards from the NJCPA and NJBIZ, Diaz is active in the Morris County Chamber of Commerce, the New Jersey Business & Industry Association, and serves on the board of Girls on the Run New Jersey East.
Nicole DeRosa, CPA, MAcc
A director of tax at Boonton-based full-service accounting firm SKC & Co. CPAs, DeRosa has more than 15 years of experience in public accounting, specializing in taxation for closely held businesses and individuals. Because of her extensive tax knowledge, DeRosa is considered a valuable resource for all things tax and regularly speaks at industry events on various tax and non-tax topics. She also wants to inspire the next generation. In hopes of spreading awareness of the CPA designation to aspiring accountants, DeRosa is a brand ambassador for UWorld, a comprehensive platform known for its CPA exam prep materials. Additionally, she’s a discussion leader for Surgent CPE, an online continuing professional education offering for CPAs, tax professionals and financial experts, and presents various courses. DeRosa’s honors include five-consecutive years on NJBIZ’s Accounting Power 50, and being named as one of its Forty Under 40 award winners. On a national level, DeRosa has been recognized as a Forbes Top 200 CPA in America as well as an Outstanding Young CPA Award recipient by the American Institute of Certified Public Accountants.