Broker Check
William  Kostecki

William Kostecki

Partner - Financial Planning

973-828-0987

wkostecki@financialguide.com

For more than a decade, Bill Kostecki has specialized in working with attorneys at New York’s most prominent law firms, helping both associates and partners navigate the unique financial challenges of a legal career. As a Senior Partner with Emerald Financial’s Attorney Advisory Group, Bill provides sophisticated financial planning and investment advisory services tailored to the complex needs of high-net-worth legal professionals.

With deep experience managing client relationships at the highest level, Bill is known for delivering strategic guidance and comprehensive solutions that address every stage of an attorney’s career—from building wealth early on to planning for retirement and beyond. His ability to understand the demands of the legal profession allows him to create customized strategies that bring clarity, confidence, and long-term financial success to his clients.

Bill graduated from Bloomsburg University with a Finance degree and a concentration in Financial Planning. When Bill isn't working with his clients, he enjoys spending time with his wife, Deanna and baby girl, Murphy. He also enjoys playing ice hockey weekly and spending time on the links.

To see William's licenses and disclosures, please click the link https://nj-nyc.massmutual.com/who-we-are/our-warren-team/william-j-kostecki.