Officer and Director Biographies

Laura Tatem, President

Ms. Tatem is the Director of Internal Audit for Hillsborough County Aviation Authority (HCCA) that oversees Tampa International Airport, Peter O. Knight Airport, Plant City Airport, and Tampa Executive Airport.  She has more than 15 years in auditing experience, and has been with HCCA since 2013.  Prior to joining HCCA, she worked as an external auditor primarily in the fields of government, non-profit, and construction.

She attended the University of North Carolina - Wilmington, where she earned a B.S. in Business Administration in Finance and Accounting, graduating Magna Cum Laude.  Ms. Tatem is a Certified Public Accountant, licensed in Florida and Virginia.  She is also a Certified Internal Auditor, Certified Government Auditing Professional, and holds a Certificate in Risk Management Assurance.  

Ms. Tatem joined the AAIA in 2013.  She was elected to the Board and as Treasurer in 2016, then as  Vice President in 2018.  Shortly thereafter, she was appointed as President when the position became vacated unexpectedly.  She chairs the Executive Committee and Conference Committee, and is on the Governance Committee.  She also serves on the Board for the Humane Society of Tampa Bay.

She enjoys water sports, spending time with her husband, and their menagerie of dogs, cats, and a turtle.

Tianna Dumond, Vice President

Ms. Dumond is the Director of Internal Audit since 2013 at the Greater Orlando Aviation Authority (GOAA) that oversees the Orlando International Airport and Orlando Executive Airport.  She joined the GOAA in 2004 as an Auditor, and has more than 20 years of auditing experience.  Prior to joining the GOAA, she held various auditing positions with Orlando Health, Disney Worldwide Shared Services, PRG Schultz International, and the MONY Group.

Ms. Dumond attended the University of Central Florida in Orlando, where she earned a B.S. in Business Administration in Accounting.  She also is a Certified Internal Auditor, Certified Information Systems Auditor, Certified Government Auditing Professional, Certified Financial Services Auditor, Certified Fraud Examiner, and holds a Certificate in Risk Management Assurance.

She joined the AAIA in 2004 and was elected in 2019 as Vice President after serving as Secretary beginning in 2016.  She chairs the Governance Committee, and is on the Conference and Executive Committees.  She is also the Past President of the Central Florida Chapter of the Institute of Internal Auditors and is the Vice Chair for the Board of Directors of the Florida Audit Forum.

She enjoys cooking and being a mom.

Angela Johnson, Secretary

Ms. Johnson manages the Department of Aviation‘s Internal Audit Business Unit at Hartsfield-Jackson Atlanta International Airport.  With over 25 years of internal audit experience, she is responsible for leading the audit team in performing revenue, compliance, performance and internal control audits for the department.  Ms. Johnson joined the Department in 1998, prior to that she began her audit career at MCI Communications. 

Ms. Johnson attended Western Michigan University, earning a B.S. in Political Science and is a Certified Internal Controls Auditor.  She is a member of the Institute of Internal Controls and the Institute of Internal Auditors.

In 1998 Ms. Johnson joined the AAIA and was elected Secretary in 2019.  She is a member of AAIA‘s Executive Board and serves on the organization‘s Membership Committee.  She was the Conference Chair in 2018, when Hartsfield-Atlanta hosted the 29th annual AAIA Conference.

Mike Gee, Treasurer

Mr. Gee is Senior Internal Auditor for the Metropolitan Airports Commission (MAC) that owns and operates Minneapolis-St. Paul International Airport, as well as six general aviation airports within the Twin Cities metropolitan area.  Mr. Gee has worked in the internal audit profession for more than 16 years in various highly regulated industries including: retail; defense/aerospace; and, healthcare, where he has audited Sarbanes-Oxley, Medicare Part D, HIPAA, government contracting, and fraud risk management.

Mr. Gee attended the University of Wisconsin-La Crosse, where he earned a B.S. in Finance and Marketing.  He earned his M.B.A. from St. Cloud State University.  He is a Certified Fraud Examiner.

Mr. Gee joined the AAIA in 2014, and was elected Treasurer in 2018.  He is on the Executive and Conference Committees.  In addition, he was the Chair of the Conference Committee in 2019, when MAC hosted the 30th annual AAIA Conference.

He enjoys golfing, running, and all Minnesota sports teams.

Wayne Robinson, Past President

Mr. Robinson is the Internal Auditor responsible for audit and contract compliance at the Manchester-Boston Regional Airport since 2002. Before joining the airport, Wayne worked as a mayoral assistant responsible for budgetary affairs and administration to Mayor Robert Baines.

Before joining Mayor Baines‘ staff, he worked for over ten years in banking, responsible for accounting, financial analysis, and asset-liability management.

Mr. Robinson graduated from New Hampshire College (SNHU) with a degree in Economics and Finance.

Mr. Robinson has been a trustee of the Granite YMCA for over 20 years. He has held many volunteer positions during this time, including serving as chairperson of the Board of Trustees, chairperson of the Allard Center of Goffstown Advisory Board, co-chair of the Reach Out for Youth Dinner, and as a member of the association‘s Strategic Planning Committee.

He also volunteers his time for the Y-USA Regional Committee on Membership Standards (RCMS) – Region 1 that governs Ys from Maine to Washington DC. 

Also, Mr. Robinson is currently serving on the Board of Directors of New Hampshire Public Radio (NHPR), New Hampshire Charitable Foundation (Manchester Board), and the Southern New Hampshire University Alumni Board of Directors. He is the Immediate Past-Chairman of the Palace Theatre Trust Manchester, NH.

Mr. Robinson also served on the Elliot Hospital Health System, Mary and John Elliot Foundation, NeighborWorks Southern New Hampshire, and CASA of New Hamshire.

He joined the AAIA in 2002, and served as President from 2013 through 2017.

He is an avid runner, having completed two New York City Marathons and the Chicago Marathon.  Wayne is a certified TRX instructor, as well as leading Spinning classes. He resides in Goffstown, NH, with his wife, Kim.

Alissa Bowles, Director

Ms. Bowles joined the Jacksonville Aviation Authority (JAA) in 2015 and is the Revenue Compliance Specialist.  The JAA oversees the Jacksonville International Airport, Herlong Recreational Airport, Cecil Airport, and Jacksonville Executive at Craig Airport. Prior to joining the JAA, she was the Manager of Audit and Compliance for the Jacksonville Port Authority and other previous experience included working with the Florida State College at Jacksonville as an Internal Control Specialist and at the New York Power Authority as an Auditor II.

Ms. Bowles earned her B.S. in Accounting from Bethune – Cookman University located in Daytona Beach, Florida. She will complete her M.B.A. in December 2020 from Jacksonville University.  She also is a Certified Internal Auditor and Certified Government Auditing Professional.

She became a member in 2018, joined the AAIA Board in 2019 as a Director and is on the Membership Committee.

She enjoys traveling, attending music festivals and concerts, and spending time with her family and friends.

Omar Costa, Director

Mr. Costa was assigned to the Lee County Port Authority in July 2017 as the Senior Internal Auditor. The Authority oversees Southwest Florida International Airport and Page Field Airport.  Previously, he was with RSM as the auditor-in-charge.

Mr. Costa earned his B.S. in Accounting from Florida Gulf Coast University in 2010 in Fort Meyers.  He is a Certified Public Accountant.

He joined the AAIA in 2017 and became a Board Member in 2019.  He currently chairs the Membership Committee, and was the AAIA Auditor in 2018.

He enjoys spending time with his wife and kids, boating, and riding motorcycles.

Tammy May, Director

Ms. May has been the Director of Internal Auditor since 2011 for the Kenton County Airport Board that oversees the Cincinnati/Northern Kentucky International Airport.  She has been with the Kenton County Airport Board since 2003, when she started as a Capital Analyst, then became an Internal Auditor and was later promoted to Director.  

Ms. May attended the University of Kentucky in Lexington, Kentucky where she earned a B.A. in Business Administration in Accounting. She also is a Certified Public Accountant and Certified Fraud Examiner.

She joined the AAIA in 2011 and elected to the Board in 2017.  She s a member of the Information Technology Committee.

She enjoys spending time with her children and her dogs.  She enjoys going to the lake and being around water, everything from fishing, skiing, boating and floating.  

Callie Ullman, Director

Ms. Ullman is the Construction Auditor at the San Diego County Regional Airport Authority, the governing body for the San Diego International Airport. She started with the Authority in 2010.  Prior to joining the Authority, she was the Manager of Assurance Services with RSM US LLP, auditing the Authority for five years. Previous employment includes external audit positions with PKF, and internal audit positions with Princeton University, W. R. Grace & Co., and Ralston Purina.

Ms. Ullman earned a B.S. in Business Administration/Accounting, and a B.A. in Music from Southeast Missouri State University in Cape Girardeau, MO.  She is a Certified Public Accountant, Certified Internal Auditor, and Certified Construction Auditor. She joined the AAIA in 2010 and was elected to the Board in 2018.  She is on the Communications/Marketing Committee, Conference Committee, and Nominating Committee.

Ms. Ullman enjoys running marathons and half marathons around the world. When not working or running, she can be found hiking the trails of California, cooking or baking, or watching the latest Netflix releases to see what her son has been working on.


Usha Yarlagadda, Director

Ms. Yarlagadda started with the City & County of Denver - Department of Aviation (Denver International Airport) in 2006 as a Staff Internal Auditor.  She is currently the Director/Chief Audit Executive of the airport's Internal Audit Department.

Ms. Yarlagadda is originally from India, and moved to the United States in 1999.  She has an M.B.A. from Andhra University located in India, and an M.S. in Accounting from the University of Colorado at Denver.  She is a Certified Internal Auditor.

Ms. Yarlagadda joined the AAIA in 2006 and was elected to the Board in 2016.  She is on the Information Technology and Communications/Marketing Committees.

Janice Mirarchi, CPE Coordinator and Director

Ms. Mirarchi works for the City of Philadelphia that oversees the Philadelphia International Airport.  She has been the Contracts Audit Supervisor since 2012, and started with the airport in 2006.  Prior to working at the airport, Ms. Mirarchi worked for the City of Philadelphia as an Auditor for the City Controller's Office for 20 years.

Ms. Mirarchi graduated from La Salle University in Philadelphia, Pennsylvania, and earned a B.S. in Accounting.

Ms. Mirarchi joined the AAIA Board as CPE Coordinator in 2016, and has been a member of the AAIA since 2006.  She is a also on the Conference, Nominating, and Membership Committees.

She loves reading, cooking, and shopping!

Paula Murphy, IT Coordinator and Director

Ms. Murphy joined the Reno-Tahoe Airport Authority that oversees the Reno-Tahoe International Airport and Reno-Stead Airport in 2013 as an Internal Auditor.  Previously, she worked in banking as a Commercial Bank Examiner for the Federal Reserve Bank of San Francisco, as an Internal Auditor for a community bank in Truckee, California, and as a credit analyst for U.S. Bank.  While raising her two children, she had a contract loan underwriting business, was a girl scout leader, Treasurer for the KidZone Children's Museum, and Treasurer for a Parent Faculty Association.  

Ms. Murphy graduated from the California State University, Chico, and earned a B.S. in Business Administration in Business Policy.  She also is a Certified Internal Auditor, Certified Government Auditing Professional, Commissioned Commercial Bank Examiner, and member of the Biggest Little Talkers Toastmasters Club.

In 2018, Ms. Murphy joined the AAIA Board, and has been a member since 2013.  In 2018, she became the Assistant Treasurer and in 2019 the IT Coordinator.  She chairs the Information Technology Committee and is on the Membership Committee.

She enjoys spending time with her family, reading, and hanging out with friends.