Our Team

Our clients appreciate the level of professionalism and care they receive from our staff. Each member of the team brings a unique skill set and dimension to ISG. Their expertise, accolades and certifications contribute to the depth of services we offer, and their individual personalities enrich our firm’s core culture.

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Our Partners

Michael BrownMichael W. Brown

Michael W. Brown is passionate about problem solving and offering intuitive solutions for his clients. He has a unique talent for thinking strategically and helping his clients create a plan that meets their personal objectives. Mike joined ISG in 1993 as a registered representative and later became a partner in the firm. Mike holds various securities registrations relating to the field of financial services including Series 7, 24, 63 though LPL Financial. He is a graduate of Siena College, in Albany, NY with a Bachelor of Science degree.

Mike is married to Melissa and has four children: daughters Malorie, Adeline, Evelyn and son Michael. He enjoys golf and coaching his children’s sports.


Edward J. Jonaitis, CLU, ChFC

Edward J. Jonaitis worked his entire career with employers and individuals in Michigan, and became a partner at ISG in 1979. His primary area of expertise has been the implementation and servicing of qualified plans such a 403(b), 401(k), 457 and employer pension plans. Early in his career, Ed obtained the Chartered Life Underwriter (CLU) and Charter Financial Consultant (ChFC) designations recognizing the need of obtaining all the education possible to aid his clients with their financial goals. Today, Ed focuses on individual planning with clients helping them work toward their retirement planning and income goals.


Matthew BrownMatthew W. Brown

To Matthew W. Brown financial planning is much more than simply developing and executing strategies – it’s about connecting with people and helping them succeed. He truly values his client relationships and understands that each individual’s goals and circumstances are as unique as they are. That’s why his approach is consistently personal.

Matt has been in the financial services business since 1997. After graduating from Hope College with a Business degree, he went on to join ISG and eventually became a partner. He holds securities registrations in Series 6, 7, 65, 63 and 26 through LPL Financial. Matt and his wife have three daughters and a son. He enjoys spending time with his family, playing golf and staying active.


Our Administrative Team

Our administrative team works tirelessly to ensure that our clients’ needs are met, and offer reliable service and knowledge even when our advisors are traveling for business.

Karen DrosteKaren S. Droste
Relationship Manager

Karen joined ISG in 2004 after spending several years in various management positions with other businesses. She has a Bachelor of Science degree from Central Michigan University and is Series 6 and 28 licensed.

Today Karen keeps the office running smoothly, specifically supporting Matthew Brown’s clients. When not at work, Karen spends time with her husband and son attending various school sporting events, boating and skiing.


Elizabeth McClellan
Relationship Manager

Elizabeth McClellan joined ISG in March 2016. She comes from an extensive background in the financial industry and specializes in operations management. Elizabeth supports Mike Brown’s clients by processing investment paperwork, conducting research and handling daily operational duties that keep our office running smoothly.

Elizabeth enjoys building lasting relationships with clients by servicing their accounts to meet their investment goals and objectives. Elizabeth is a Grand Rapids native who, along with her husband, enjoys attending various sporting and music events for her children.