Staff

Allison A. Horn, Director  
(970) 491-1387
Employment: December 2004
CIA 1996
Allison has worked as an Internal Auditor since 1981 in the public and private sector, and has additional experience in accounting and law. She is an attorney licensed in Colorado and Wyoming.

Stephanie Wolvington, IT Audit Manager
(970) 491-6177
Employment Date: June 2006
CISA 2001, Masters in Accounting and Information Systems 1998
Stephanie’s prior experience includes working as an IT Auditor and an IT Audit Manager in the banking industry.

Candice Bridgers, Audit Manager
(719) 549-2133
Employment Date: March 2013
CPA, CIA
Prior to joining Internal Audit, Candice held the positions of Financial Services Manager/Controller and Sales Tax Manager for the City of Colorado Springs. Her audit background includes the State of Colorado, Division of Gaming and the City Auditor's Office in Colorado Springs.

Susy Serrano, Principal Auditor
(970) 491-2750
Employment Date: August 2008 
CPA 2000
Prior to joining Internal Auditing, Susy worked in the Federal Service for 9 years, with most of her tenure as an auditor with the Office of Inspector General and most recently as a budget analyst.

Mark Shepherd, Senior Auditor
(970) 491-1386
Employment Date: November 2012
MBA 1981, CPA 1981
10 years in public accounting (Peat Marwick and Isler & CO.); 20 years in corporate internal audit; industry experience includes nuclear power, nuclear weapons, oil and gas; prior internal audit positions include audit senior, audit supervisor, audit manager and internal audit director; member of AICPA, OSCPA and IIA.

Lisa Gertig, Senior Auditor
(970) 491-6164
Employment Date: December 2012
MS, CPA
Private sector and Higher Education external and internal auditing for 10 years.
Federal, state and local tax compliance for 10 years.

Nelson Bultmann, Senior Auditor
(970) 491-7160
Employment Date: May 2013
CPA
Prior audit and managerial experience in public accounting (Price Waterhouse), state government (Missouri), and in the private sector (insurance, retail department stores and multi-industry).

Amber Riley, Executive Assistant
(970) 491-6176
Employment Date: July 2011
Prior experience in public sector administration.


(970) 491-2750
Employment Date: August 2008 

CPA 2000
Prior to joining Internal Auditing, Susy worked in the Federal Service for 9 years, with most of her tenure as an auditor with the Office of Inspector General and most recently as a budget analyst.

 

Mark Shepherd, Senior Auditor
(970) 491-1386
Employment Date: November 2012

MBA 1981, CPA 1981

10-years in public accounting (Peat Marwick and Isler & CO.); 20-years in corporate internal audit; industry experience includes nuclear power, nuclear weapons, oil and gas; prior internal audit positions include audit senior, audit supervisor, audit manager and internal audit director; member of AICPA, OSCPA and IIA.


 

Lisa Gertig, Senior Auditor
(970) 491-6164
Employment Date: December 2012
MS, CPA
Private sector and Higher Education external and internal auditing for 10 years
Federal, state and local tax compliance for 10 years

 

Amber Riley, Executive Assistant
(970) 491-6176
Employment Date: July 2011

Prior experience in public sector administration.