Get to know our leadership team

Leadership at the Montana office is dedicated to doing good for our clients, employees and community.

Photo of Managing Partner Greg Castronovo

Greg Castronovo

Managing Partner

Greg serves as the Managing Partner leading recruiting, development, growth and operations, while spearheading strategic initiatives. Greg was named Managing Partner of Northwestern Mutual Montana in April 2006 after serving 15 years with Northwestern Mutual as a Financial Representative, Field Director and Managing Director. Greg has a broad range of financial and leadership experience and has led Northwestern Mutual Montana to incredible growth under his tenure. He earned his Bachelor of Science degree in Business from The College of St. Scholastica in 1990. Greg lives in Bozeman, MT with his wife Christy and has two children, Jonah and Delaney. Greg is passionate about supporting childhood cancer organizations and spends his free time playing hockey and tinkering on his project cars.
Photo of Director of Development Nicole Klement

Nicole Klement

Director of Development

Nicole is the Director of Development with Northwestern Mutual – Montana. She brings to us her energy around teaching, training, and leading in a compliant way as well as well as holding the Director of Supervision role for our team. Nicole attended Washington State University receiving a Marketing Degree with a Professional Sales certification. She worked for many years in retail management, focused on growing the business & developing her team. Nicole is married to her high-school sweetheart Justin and is a dog mom to Piper & Dakota.
Photo of Financial Advisor Michael Butler

Michael Butler

CLF®

Financial Advisor

Michael started his relationship with Northwestern Mutual as a client years before becoming a Financial Advisor. That experience developed his conviction and belief in the company and the work we do. As our Chief Operations Officer and Director of Supervision, he has the unique opportunity to help our advisors and teams grow and have impact in their communities. Outside of work, he enjoys mountain biking, skiing and spending time with his wife and two boys.
Photo of Chief Strategy Officer Christy Castronovo

Christy Castronovo

Chief Strategy Officer

Christy is Chief Strategy Officer with Northwestern Mutual - Montana and has been with Northwestern Mutual since 2002 when she started as a Recruiter. Over the year she has held a variety of roles including Financial Advisor and Chief Recruiting Officer. She attended Montana State University receiving a Communication degree and continued with her Master's at San Diego State. Christy is married to Greg and step-mom to Jonah and Delaney. She loves all that living in Montana has to offer, especially spending time outside with her dogs, Nona and Auggie.
Photo of Wealth Management Advisor James Kaiser

James Kaiser

WMCP®, RICP®

Wealth Management Advisor

James Kaiser is a Wealth Management Advisor, who started his career with Northwestern Mutual in 2008. He and his team focus on personal, business, and retirement planning for business owners and medical professionals. He is married to Leisa, and has two children: Leo and Lily.

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