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Departments and Staff

Staff Directory

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IMBA Staff

Boulder office phone 303-545-9011


Executive Director

david [dot] wiens [at] imba [dot] com (Dave Wiens) – 970-279-1248

Development & Member Services Staff

Vice President: aaron [dot] locker [at] imba [dot] com (Aaron Locker) – 571-643-2277

  • aimee [dot] ross [at] imba [dot] com (Aimee Ross), Director of Business Development – 616-430-1399

Member Services Staff:

  • heather [dot] bonewitz [at] imba [dot] com (Heather Bonewitz), Member Services Specialist – Ext. 128
  • jen [dot] hill [at] imba [dot] com (Jennifer Hill), Member Services Representative – Ext. 124
  • jessica [dot] martin [at] imba [dot] com (Jessica Martin), Member Services Representative
  • mary [dot] spalding [at] imba [dot] com (Mary Spalding), Member Services Representative – Ext. 106


Finance Staff

  • tiffanie [dot] beal [at] imba [dot] com (Tiffanie Beal), Finance Manager – Ext. 109


Human Resources & Operations Staff

  • kurt [dot] schrammel [at] gmail [dot] com (Kurt Schrammel), HR/IT Representative – Ext. 127


Communications & Marketing Services Staff

  • eleanor [dot] blick [at] imba [dot] com (Eleanor Blick), Communications Manager – 720.900.4622


Government Relations Staff

  • aaron [dot] clark [at] imba [dot] com (Aaron Clark), Conservation Manager –

Field Operations Staff

Vice President: james [dot] clark [at] imba [dot] com (James Clark)

Trail Solutions Staff:

  • richard [dot] edwards [at] imba [dot] com (Richard Edwards), Associate Director of Field Operations
  • mike [dot] repyak [at] imba [dot] com (Mike Repyak), Senior Project Manager
  • shane [dot] wilson [at] imba [dot] com (Shane Wilson), Project Manager
  • doug [dot] vinson [at] imba [dot] com (Doug Vinson), Project Manager
  • jesse [dot] livingston [at] imba [dot] com (Jesse Livingston), Arkansas Trail Crew Manager
  • chris [dot] orr [at] imba [dot] com (Chris Orr), Trails Specialist
  • joey [dot] klein [at] imba [dot] com (Joey Klein), Trail Specialist
  • stephen [dot] mullins [at] imba [dot] com (Stephen Mullins), Trail Specialist
  • tyson [dot] swasey [at] imba [dot] com (Tyson Swasey), Trail Specialist
  • randy [dot] spangler [at] imba [dot] com (Randy Spangler), Trail Specialist
  • jason [dot] wells [at] imba [dot] com (Jason Wells), Trail Specialist
  • steve [dot] kasacek [at] imba [dot] com (Stephen Kasacek), Trail Specialist
  • jordan [dot] carr [at] imba [dot] com (Jordan Carr), Trail Specialist
  • tylor [dot] brackett [at] imba [dot] com (Tylor Brackett), Trail Specialist
  • josh [dot] collins [at] imba [dot] com (Josh Collins), Trail Specialist
  • lee [dot] lemmon [at] imba [dot] com (Lee Lemmon), Trail Specialist
  • cory [dot] west [at] imba [dot] com (Cory West), Arkansas Trail Crew Specialist
  • herman [dot] owens [at] imba [dot] com (Herman Owens), Arkansas Trail Crew Specialist


Region & Chapter Support Staff:

  • michelle [dot] barker [at] imba [dot] com (Michelle Barker), Director of Chapter and Regional Development - 608-535-9901
  • andy [dot] williamson [at] imba [dot] com (Andy Williamson), Great Lakes Region Director – 937-247-IMBA
  • michelle [dot] barker [at] imba [dot] com (Michelle Barker), Midwest Region Director – 608-535-9901
  • michelle [dot] barker [at] imba [dot] com (Michelle Barker), Pacific Northwest Region Director -  608-535-9901
  • anthony [dot] duncan [at] imba [dot] com (Anthony Duncan), Atlantic Region Director - 276-274-2035
  • patrick [dot] kell [at] imba [dot] com (Patrick Kell), Southwest & Alaska Region Director – 802-371-9033
  • laurel [dot] harkness [at] imba [dot] com (Laurel Harkness), California/Hawaii Region Director – 530-859-9168
  • tom [dot] sauret [at] imba [dot] com (Tom Sauret), Southeast Region Director, SORBA Exec. Director – 770-654-3291


Program Development Staff:
  • andy [dot] williamson [at] imba [dot] com (Andy Williamson), Director of Program Development –
  • tammy [dot] donahugh [at] imba [dot] com (Tammy Donahugh), Instructor Certification Manager:
  • chris [dot] schieffer [at] imba [dot] com (Chris Schieffer), ICP Representative - Ext. 129

The IMBA Staff in Photos!

Hover your mouse over a photo for name and titles.


IMBA Aaron LockerIMBA Eleanor BlickIMBA Aaron Clark

 IMBA Tiffanie BealIMBA Aimee RossIMBA Mary SpaldingIMBA Heather BonewitzIMBA Kurt Schrammel



IMBA RD Tom SauretIMBA RD Andy WilliamsonIMBA RD Laurel Harkness

IMBA RD Patrick Kell IMBA RD Michelle BarkerIMBA RD Anthony Duncan

IMBA TS Joey KleinIMBA TS James Clark

IMBA TS Rich EdwardsIMBA ICP Tammy Donahugh



2017 IMBA ORG by Department_function (3_23_17).pdf16.65 KB