James M. Siegel, CFP®

Wealth Management Advisor

My Team

We are committed to helping our clients whether they are concerned for their own financial needs or those of their family or business. Here you will find a list of the people who help make it happen.

Together, we stand committed to providing the best customer service possible.  If you have a problem or need assistance at any time, please let us know.

Nitzia Mangold

Nitzia Mangold

Mobile 281-995-3082

Nitzia is our Director of Insurance Operations and Services. She has many years of experience in the insurance/financial industry and holds the Texas Life and Health Insurance License. Nitzia began her career with Northwestern Mutual in 2002 and has had several roles including Associate Financial Representative, Client Relations Coordinator, and New Business Processor for our Houston Network Office. As family is priority for Nitzia, she understands the value of helping provide a solid financial future for families.

Nitzia lives in Katy, Texas with her husband, Steve, and daughter, Alexa. Nitzia's husband is also in the financial services industry which is how they met. Nitzia enjoys running, reading and volunteering.

Nitzia manages Jimmy's insurance needs.


To learn more about Northwestern Mutual Investment Services, LLC and its financial representatives, visit: FINRA BrokerCheck