Executive Leadership

At BHS Insurance, our leadership team is committed to cultivating a forward thinking organization that adapts to the evolving needs of those we serve. We focus on building a culture of trust and reliability that empowers our employees to deliver superior service to our clients, while strengthening the vital connections we share with our industry partners and community organizations

Zack VandenBerg

Zack VandenBerg, Chief Executive Officer • CIC, LIC, CWCC, NRM

Zack VandenBerg joined BHS Insurance Agency in October 2002 as a Commercial Risk Adviser. Zack became a Partner in 2010 and currently serves as CEO of BHS. In addition to having a Property and Casualty license, he holds the designation of Certified Insurance Counselor (CIC). He serves on the Producer Council of Selective Insurance Company and is a graduate of The Hartford School of Insurance.

In addition to his management responsibilities at BHS, Zack actively consults and analyzes the risk management programs for several of West Michigan’s most well recognized employers. He specializes in Risk Management for family offices, financial institutions & advisers, auto dealerships, food processors, breweries, and schools.

Zack graduated from Hope College in 1998 with a Bachelor's degree in Accounting. Before joining BHS, he served as a Corporate Banking Officer at Fifth Third Bank.

Zack is also dedicated to giving back to his community. He currently serves on the Board of Directors for Keystone Community Church. Zack lives in Grand Rapids with his wife Lisa, and three daughters.

Pat Dalton

Pat Dalton, President of Employee Benefits • HIA, RHU, CBC

Pat Dalton joined BHS Insurance in July 2002 as a group benefits and 401(k) specialist. In addition to having a Life and Health Insurance license, he holds a Health Insurance Associate (HIA) and Registered Health Underwriter (RHU) designation and is NASD Series 6, 63 licensed. He also is a Chartered Benefit Consultant (CBC) with The National Association of Alternative Benefit Consultants.

After graduating from Hope College with a B.A. in Business Administration in 1991, Pat started in the insurance business working with self-funded health plans and stop-loss reinsurance. He has also worked for two large carriers selling life, disability and dental insurance.

Kim Slager

Kim Slager, President of Commercial

Kim Slager joined BHS Insurance in April 2012 as a Property & Casualty Specialist and became a partner in 2020. Prior to joining BHS, Kim worked for Selective Insurance for 15 years leading new business production for Michigan as the Territory Manager and Westfield Companies for 5 years in Madison, WI as a field underwriter. With over 30 years of industry experience, Kim manages a large diverse book of business and is the team leader for our proprietary national public gardens program. In 2025, Kim became President of Commercial Lines at BHS and serves on the Executive Committee.

Kim graduated from Hope College in Holland, MI in 1994 with a bachelor’s degree in business administration and psychology. She holds the designation of Certified Insurance Counselor (CIC) & Certified Risk Manager (CRM). Kim is a native of Grandville, MI and currently lives in the city with her husband and two children.

Spencer Olson

Spencer Olson, Chief Growth Officer - Employee Benefits

Spencer Olson joined BHS Insurance in 2014 as a benefits consultant. After graduating from Michigan State University with a bachelor’s degree in finance, Spencer spent four years working in the benefits insurance industry with MetLife; living in both Minneapolis, Minnesota and Chicago, Illinois. He moved back to West Michigan in 2014. Currently, he focuses on helping his clients with creative and innovative solutions + programs. He has over 15 years specializing in employee benefits and he currently leads the BHS employee benefits sales team.

Spencer is a licensed agent, both in Health and Life as well as Property and Casualty. He was named a Partner/Shareholder with BHS effective January 1st, 2020.

He lives in Rockford with his wife Kaitlin along with their daughter Mae and son’s Steven & John. In his spare time, he enjoys spending time with his family, coaching his kid’s sports teams and attending Michigan State University sporting events.

Tim Koster

Tim Koster, Chief Revenue Officer

Tim Koster joined BHS Insurance in 2010 as an Account Executive and became a Partner in 2020. As the leader of BHS’s Construction Practice Group and Chief Growth Officer for Commercial Lines, he plays a pivotal role in driving strategic expansion and client success.

Tim holds both a Bachelor’s in Business Administration and a Master’s in Accountancy from Western Michigan University. Before transitioning into insurance, he spent four years in public accounting and earned his Certified Public Accountant (CPA) designation. He is also a Licensed Insurance Agent (LIA) and a Commercial Lines Coverage Specialist (CLCS).

Tim is deeply engaged in the construction and insurance industries, he serves as Treasurer on the Board of Directors for the Associated Builders & Contractors Western Michigan Chapter and the Western Michigan Construction Institute. He is an active member of the American Subcontractors Association and the Construction Financial Managers Association.

Beyond his professional commitments, Tim is dedicated to community service. He currently sits on the Board of Directors for the Susan Mast ALS Foundation and Blythefield Country Club, where he served as a Past Board President. His previous board involvement includes leadership roles with the Northview Education Foundation (Past President), SLD Read, and the West Michigan Habitat for Humanity Young Professionals Committee.

Tim lives in Rockford, MI with his wife and three kids and enjoys coaching his kids' sports teams and staying active playing golf and basketball.

Ryan Root

Ryan Root, Director of M&A

Ryan Root joined BHS in 2009 and serves as Share Holder and Employee Benefit Consultant where he works with employers to customize benefit offerings for their employees and families. Building long term customer relationships and understanding each employer’s needs are extremely important to Ryan.

Prior to BHS, Ryan served as a Sales Consultant at PPOM where he partnered with health insurance companies to offer a robust network of healthcare providers serving as a cost containment tool for employers. After working four years at PPOM Ryan took a Sales Consultant role at Humana where he provided in depth consultation to Employee Benefit Consultants to sell the suite of Humana’s health insurance products.

Ryan is a member of the West Michigan Association of Health Underwriters. He attended Grand Rapids Community College and is a licensed life and health agent.

Outside of employee benefits, Ryan is an avid fisherman, enjoys boating, hunting, golfing and most importantly spending time with his wife and daughters. Ryan also enjoys giving back to his community and volunteering.