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The Snow & Ice Management Association
10140 N. Port Washington Road
Mequon, WI 53092


Main line


General questions

Meet the SIMA Team

Do you have a question but aren't sure who to contact? Take a look at our wonderful staff who can help you with anything you need. Email or call whomever you need directly (262-236-ext).


Contact Martin for information on association strategy, the board of directors or ideas on increasing member value.

martin@sima.org | ext. 9951

Martin Tirado
Chief Executive Officer

Kerri is your go-to if you are a supplier looking for more information on advertising or exhibiting at the Snow & Ice Symposium.

kerri@sima.org | ext. 9971 | 614-557-3948

Kerri Joseph
Engagement and Development Senior Manager

Have a story idea, article question or other Snow Business editorial question, contact Cheryl.

cheryl@sima.org | ext. 9972

Cheryl Higley
Education and Content Director

Contact Evan for information on membership.

evan@sima.org | ext. 9949


Evan Newman
Membership Services Senior Manager

Nikki can help you if you're not sure who to talk to, or if you have any general SIMA questions.

nikki@sima.org | ext. 9959

Nikki Luedtke
Office Manager and Executive Assistant

Contact Heather for questions/interest in exhibiting at the annual symposium, sponsorships or to become a supplier SIMA member.

heather@sima.org | ext. 9953

Heather Carew, CAE
Events Director

Contact Aimee if you have questions or need help with billing/invoices you have received.

aimee@sima.org | ext. 9956

Aimee Krzywicki
Billing and Data Manager

For any questions about Accounts Payable, SIMA's Foundation, Accounting or General Business Operations contact K.C.

kc@sima.org | ext. 9955

K.C. Hallgren, CNAP
Business and Finance Senior Manager

Steph can help if you have questions about the website, member portal or a SIMA/Snow Business email you received.

steph@sima.org | ext. 9948

Stephanie Orvis
Marketing and Communications Manager

Contact Nakishia if you have questions about SIMA technology and business process.

nakishia@sima.org | ext. 9958

Nakishia Randle
Business Process Manager

Contact Gwen if you have any graphic or logo needs. 

gwen@sima.org | ext. 9957

Gwendolyn GaBree
Brand and Design Manager

Contact Ellen if you have questions about the ASM or CSP courses.

ellen@sima.org | ext. 9947

Ellen Lobello
Education and Credentials Manager

Contact Brian for help with CSP governance, best practice offerings or with educational ideas.

brian@sima.org | ext. 9954

Brian Birch, CAE
Chief Operations Officer

Contact Amanda for membership questions.

amanda@sima.org | ext. 9952

Amanda Pruss
Membership Services Manager