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Departments and Staff

Staff Directory

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Boulder Headquarters Staff

Main office phone 303-545-9011

US Interim Executive Director

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
    • holly [dot] fisher [at] imba [dot] com (Holly Fisher), Event Specialist - Ext. 113

Communications & Marketing Services Staff

  • eleanor [dot] blick [at] imba [dot] com (Eleanor Blick), Communications Manager – Ext. 116
  • heather [dot] cooper [at] imba [dot] com (Joshua Lawton), Content Manager – Ext. 103

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), Member Services Representative – Ext. 106
    • heather [dot] bonewitz [at] imba [dot] com (Heather Bonewitz), Member Services Representative – Ext. 128
    • 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
  • eric [dot] melson [at] imba [dot] com (Eric Melson) - Advocacy Manager - 208-830-0924

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
      • liz [dot] camstra [at] imba [dot] com (Liz Camstra) - Associate Region Director - 503-597-8820
      • eric [dot] melson [at] imba [dot] com (Eric Melson) - Associate Region Director/Montana - 208-830-0924
    • tom [dot] sauret [at] imba [dot] com (Tom Sauret), Southeast Region Director, SORBA Exec. Director –
      • terry [dot] palmeri [at] imba [dot] com (Terry Palmeri,) Associate Region Director/SORBA
    • andy [dot] williamson [at] imba [dot] com (Andy Williamson), Great Lakes Region Director –
      • tammy [dot] mebane [at] imba [dot] com (Tammy Mebane), HMBA Executive Director
      • lori [dot] hauswirth [at] imba [dot] com (Lori Hauswirth), Associate Region Director, Copper Harbor Executive Director
      • melissa [dot] werkman [at] imba [dot] com (Melissa Werkman), Michigan Associate Region Director 
    • michelle [dot] barker [at] imba [dot] com (Michelle Barker), Midwest Region Director –
      • matt [dot] andrews [at] imba [dot] com (Matt Andrews), Associate Region Director, MORC Executive Director
    • anthony [dot] duncan [at] imba [dot] com (Anthony Duncan), Atlantic Region Director –
      • steve [dot] dontigny [at] imba [dot] com (Steve DonTigny), MORE Executive 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
      • susie [dot] murphy [at] imba [dot] com (Susie Murphy), San Diego MBA Executive Director – 619-316-1757
    • Colorado/Wyoming Region Director – vacant
      • mike [dot] pritchard [at] imba [dot] com (Mike Pritchard), Associate Region Director, RFMBA Executive Director –
      • steve [dot] watts [at] imba [dot] com (Steve Watts), Associate Region Director, BMA Executive Director – 575-496-3785
      • gary [dot] moore [at] imba [dot] com (Gary Moore), COMBA Executive Director – 770-289-9854
    • South Central Region Director – vacant
      • natasha [dot] brand [at] imba [dot] com (Natasha Brand), Program Representative

Finance, Administration and Programs Staff

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

Director of 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 Aimee RossIMBA Eleanor Blick

IMBA Joshua LawtonIMBA Tiffanie BealIMBA Aaron Clark

IMBA Colleen JuretusIMBA Mary Spalding

IMBA ICP Tammy DonahughIMBA Heather BonewitzIMBA Kurt Schrammel

IMBA Peter Throckmorton

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 ARD Mike PritchardIMBA ARD Matt Andrews

Melissa Werkman - Michigan Associate Region DirectorIMBA ARD Lori HauswirthIMBA Natasha Brand

IMBA Liz CamstraIMBA Tammy Mebane

IMBA TS James ClarkIMBA TS Rich EdwardsIMBA TS Joey Klein

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