Grant D Gier, CLU®, ChFC®, CFP®

Financial Representative

My Team

      Left to right: Michelle Genzlinger, Vikki Petermann, Grant Gier, Terry Zengeler, Dina Tenayuca

We know that when you become a client, you place your trust in us to help make your vision a reality. We strive towards excellence in serving all our clients, and are here to use our expertise to help guide you in making some of the most important decisions of your life.

Dina M Tenayuca

Dina M Tenayuca

Director of Operations and Client Service
Office 224-655-2050

Dina joined Grant's team as Director of Operations and Associate Financial Representative in January 2013. If you're a client of Grant's, you've undoubtedly spoken with Dina, who serves as our office's primary contact for day-to-day operations & client services. She has over 10 years of experience working with Northwestern Mutual and is fully licensed in life, health and long term-care insurance.

Dina oversees all aspects of our operations but also serves as the primary contact for insurance underwriting matters. She works as an intermediary between our Home Office and clients during the underwriting process, and continues after with questions and requests with policy owner services.

She lives in the Northwest Suburbs with her 3 sons Daniel, David, Dominic, and a Boxer named Rue. Dina is a proud Navy mom and an avid sports mom. She enjoys hearing about the adventures her son David has since joining the US Navy. She also enjoys watching her oldest son, Daniel, playing baseball at Ashland University and youngest son, Dominic, wrestling and playing baseball in High School.


Lindsay A Cartwright

Associate Financial Representative
Office 224-655-2050

Lindsay joined Grant’s team as Director of Marketing and Client Services in January of 2019. Lindsay has over 14 years of experience with Northwestern Mutual and is fully licensed in life, health and long term care insurance. Lindsay assists the team with day to day operations and oversees all aspects of Policy Owners Service and Investment Service for our clients. She also works directly with our marketing team to further enhance the client experience with existing and new clients.

She lives in Crystal Lake with her husband Kyle and two daughters Sophia and Sadie. She loves spending time with family and friends. She enjoys DIY crafts and boating in the summer.

Terry Zengeler

Terry Zengeler

Office 847-663-7159

Terry was introduced to Grant & Northwestern Mutual by her sister 20+ years ago and has been working with Grant ever since. If you are a client of Grant's, then you have at some time or another spoken to Terry. She is primarily responsible for coordinating his calendar. As a part of Grant's team for so many years, she has established long-standing relationships with many of his clients. Everyone in his office often looks to her for input and knowledge before talking to a client.

Terry attended Kansas University and graduated from National College of Education in Evanston. She lives in Northfield with her husband of over 35 years, Bob, and their dog, Bridget. Terry spends her spare time golfing, playing Bridge, paddle tennis and cross-country skiing. She is very active in service work and serves on many boards in the Chicagoland area which include Winnetka Garden Club, Northwestern Settlement House, Antiquarians of the Art Institute and the Contemporary Club of Chicago. She and her husband are avid travelers and have visited many countries around the world.

Vikki Ann Petermann

Vikki Ann Petermann

Administrative Assistant
Office 847-719-2050

Vikki worked at Allstate Insurance Company's Corporate office in Northbrook for 5 years where she worked as the Secretary to the Vice President of Marketing. She left to raise her family where she met Grant and his wife Betsy through their children. In May of 2001 Grant asked her to join his team as a Financial Representative Assistant.    

She is the forefront of office relations and usually the first person someone will speak with when visiting or calling the Grant's office. Vikki assists Grant by organizing and preparing analytical data and files for all of Grant's client meetings. She is eager to help our clients with their Policy Owner Service needs and ready to give a hand to Grant's team whenever needed.

Vikki has lived in Lake Zurich for 30 years with her husband Mike. They have four grown children Matthew, Jason, Sara and Jessica. Vikki is an avid sports fan and loves football, hockey and tennis. She enjoys working out, loves entertaining, and her and Mike enjoy spending time in the city where three of their children live.


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