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Departments and Staff

Staff Directory

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Boulder Headquarters Staff

Main office phone 303-545-9011

Executive Director

david [dot] wiens [at] imba [dot] com (Dave Wiens)


dan [dot] brillon [at] imba [dot] com (Dan Brillon) - Ext. 105

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 – Ext. 108

Communications & Marketing Services Staff

  • eleanor [dot] blick [at] imba [dot] com (Eleanor Blick), Communications Manager – Ext. 116

Member Services Staff:

  • colleen [dot] juretus [at] imba [dot] com (Colleen Juretus), Digital Platforms Specialist and Interim Membership Manager– Ext. 110
    • mary [dot] spalding [at] imba [dot] com (Mary Spalding), Chapter Services Representative – Ext. 106
    • heather [dot] bonewitz [at] imba [dot] com (Heather Bonewitz), Member Services Representative – Ext. 128
    • jen [dot] hill [at] imba [dot] com (Jennifer Hill), Member Services Representative – Ext. 124
    • peter [dot] throckmorton [at] imba [dot] com (Peter Throckmorton), Member Services Representative – Ext. 131
    • jessica [dot] martin [at] imba [dot] com (Jessica Martin), Member Services Representative

Finance, Administration and Programs Staff

Vice President: dan [dot] brillon [at] imba [dot] com (Dan Brillon) – Ext. 105

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

Human Resources & Operations Director: kerri [dot] salazar [at] imba [dot] com (Kerri Salazar) – Ext. 100

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

ICP Program Staff:

  • tammy [dot] donahugh [at] imba [dot] com (Tammy Donahugh), Instructor Certification Program Manager
    • chris [dot] schieffer [at] imba [dot] com (Chris Schieffer), ICP Representative - Ext. 129

Government Relations Staff

Vice President:  bruce [dot] alt [at] imba [dot] com (Bruce C. Alt) – 501-817-6200


  • aaron [dot] clark [at] imba [dot] com (Aaron Clark), Conservation Manager – Ext. 112

United States Field Staff

Region & Chapter Support Staff

Vice President:  bruce [dot] alt [at] imba [dot] com (Bruce C. Alt) – 501-817-6200


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

Finance, Administration and Programs Staff

Vice President: dan [dot] brillon [at] imba [dot] com (Dan Brillon) – Ext. 105

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


  • 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

Development & Member Services Staff

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

Program Development Staff
  • andy [dot] williamson [at] imba [dot] com (Andy Williamson), Director of Program Development –

The IMBA Staff in Photos!

Hover your mouse over a photo for name and titles.

IMBA Dan BrillonIMBA Kerri Salazar IMBA Bruce C. Alt

IMBA Aaron LockerIMBA Eleanor BlickIMBA Aaron Clark

 IMBA Tiffanie BealIMBA Aimee RossIMBA Colleen JuretusIMBA Mary SpaldingIMBA ICP Tammy DonahughIMBA Heather BonewitzIMBA Peter ThrockmortonIMBA Kurt Schrammel



IMBA RD Tom SauretIMBA RD Andy WilliamsonIMBA RD Laurel Harkness

IMBA RD Patrick Kell IMBA RD Michelle BarkerIMBA RD Anthony Duncan

IMBA ARD Terry PalmeriIMBA TS Joey KleinIMBA TS James Clark

IMBA TS Rich Edwards



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