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Our History

Incorporated in April, 1977 for the purpose of providing insurance. Since 1984 Greenhaven Marketing Corporation has been marketing insurance through banks and independent agents in  Minnesota, Wisconsin, Iowa, North Dakota and South Dakota. Greenhaven Marketing Corporation provides a wide and diverse delivery system from General Agency contracts with the largest and strongest companies in the market place to individual proposals for special cases from the occasional writer of life, health and long term care products. Greenhaven offers Long Term Care Insurance, for both groups and individuals. We have been a leader in the bank marketing of Long Term Care Insurance, currently operating in over 180 banks.
Greenhaven Marketing Corporation is a proud sponsor for The Center for Long Term Care Financing [] and keeps informed on the latest information on Long Term Care.
Greenhaven Marketing Corporation also provides Life Insurance, Group and Individual Medical Insurance, Final Expense Policies, Medicare Supplements, and Disability Income Protection. Greenhaven Marketing Corporation offers Continuing Education seminars on our products for all our associates. Experienced staff regularly make joint calls, or call on the agent's behalf.
From a small group to a complex Estate Plan, Greenhaven Marketing Corporation provides all underwriting services from application to policy delivery.

Our Team

Gerald Dock is  the Chairman and founder of Greenhaven Marketing Corporation and oversees:
  • New product development
  • Provider relations
  • Promotion of GMC services and products to Independent Agents and Banks in the state of Minnesota
  • Distribution systems
  • Email Jerry Dock 
Cathy Stoffel, Chief Operations Officer; has been working in insurance and customer service since 1996. Her responsibilities at GMC include group insurance, Life insurance, Long Term Care and working with all carriers on pending business/underwriting assistance along with agent licensing. Cathy's responsibilities include:
  • Licensing of new agents and maintenance of in-force agent contract files
  • Assistance with sales proposal presentations and new business follow-up
  • Sells to Group and Individual Medical products and Medicare products
  • Email Cathy Stoffel
Vern Senger has been a part of Greenhaven Marketing since 2002, representing multiple companies and products for our bank and agency partners. Vern's responsibilities include:
  • Joint calls with agents
  • Working with agencies to promote and sell LTC insurance, Individual Medical products, and Medicare products
  • Sales of Life Insurance and Final Expense Plans
  • Email Vern Senger
Michele Grimes has been working in customer service and the insurance business since 1995. Michele's responsibilities include:
  • Licensing of new agents and maintenance of in-force agent contract files
  • Assists with customer service issues
  • Maintenance and distribution of current product supplies
  • Email Michele Grimes

Client Testimonials

 The following comments are from a few of our clients:


"As a family with a new baby, my husband and I knew we needed an affordable, high quality medical insurance plan to take care of our little one, but we didn't know anything about insurance.  Vern took the time to explain to us what each plan really meant for our situation. We didn't really think we would need the full potential of the plan until my husband had emergency open heart surgery at just 36years old. As his recovery, appointments, and tests continue, I'm so grateful that Vern helped us purchase an excellent family plan that fit into our budget."


Rebecca & Randy


“The bank and I have done business with Jerry Dock and Greenhaven Marketing for over 20 years. We have been delighted with the products. More importantly, Jerry has always delivered on his promises and provided us with top-notch customer service. I highly recommend Greenhaven Marketing."
Peter Haddeland,
President First National Bank of Mahnomen
“When it comes to insurance benefits for staff and payment protection for customers, we have depended upon the professionals at Greenhaven Marketing, Corp. for several years. They know the market and meet our needs with excellence.”
Harold G. Wahlquist,
CEO Star Bank
“Our bank has utilized many of the Greenhaven Marketing products over the years and Greenhaven provides excellent service on the products they sponsor.”
Charles Cavanagh,
President United Community Bank of Perham
"This correspondence is to convey that Jerry Dock and Greenhaven Marketing have done a superb job in handling all of the various products that State Bank of Belle Plaine has been provided in the past.  Jerry’s experience and knowledge of the products have made a big difference in the client service that we have received.  Jerry has provided a friendly and sincere relationship with this bank for over (15) years.   I would recommend Greenhaven Marketing to everyone."
Paul D. Gatz,
President State Bank of Belle Plaine
“Good long term relationships are becoming scarce in the insurance industry. The InterAgency has worked with Greenhaven Marketing for two decades. During that time, we have prospered from that relationship, as have many of the agents in the four state area who work through us.”
Jim Holm,
President The InterAgency
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