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ADMINISTRATION

Name/Title

Telephone

E-Mail Address
Tom Spencer
Executive Director

(405) 858-6706

tspencer@opers.ok.gov
Joseph A. Fox
General Counsel

(405) 858-6703

jfox@opers.ok.gov
Brad Tillberg
Chief Investment Officer 

(405) 858-6721

btillberg@opers.ok.gov  
Diana Byrd
Executive Assistant & Human Resources Specialist

(405) 858-6706

dbyrd@opers.ok.gov
Pat Ewald
Secretary

(405) 858-6707

pewald@opers.ok.gov
VACANT
Legal Intern

 



INFORMATION TECHNOLOGY DIVISION

Garry McCoy
Director of Information Technology

(405) 858-6763

gmccoy@opers.ok.gov
Jimmy Lim
Data Base Administrator
(405) 858-6762
jlim@opers.ok.gov
Marshall Manning
Senior Applications Systems Analyst/Developer

(405) 858-6750 

mmanning@opers.ok.gov

D Ballard
Applications Specialist

(405) 858-6750

dballard@opers.ok.gov
Sheila Hsieh
Applications Specialist

(405) 858-6798

shsieh@opers.ok.gov
Matt Smith
Network Administrator

(405) 858-6753

msmith@opers.ok.gov
Marilyn Gayer
Operations Specialist

(405) 858-6751

mgayer@opers.ok.gov

FINANCIAL SERVICES DIVISION

Virginia Lawrenz
Director of Finance, CFO

(405) 858-6704

vlawrenz@opers.ok.gov
Kathy McCraw
Assistant Chief Financial Officer

(405) 858-6725

kmccraw@opers.ok.gov
Sarah Roe
Senior Financial Accountant

(405) 858-6732

sroe@opers.ok.gov
Jason Harjo
Business Manager

(405) 858-6792 

jharjo@opers.ok.gov 
Arlene Schnack
Financial Accountant

(405) 858-6731

aschnack@opers.ok.gov
Della Prough
Accountant

(405) 858-6724

dprough@opers.ok.gov
Dennis French
Supervisor

(405) 858-6722

dfrench@opers.ok.gov
Margie Kelley
Supervisor

(405) 858-6771

mkelley@opers.ok.gov
Shelly Owens
Analyst

(405) 858-6782

sowens@opers.ok.gov
Tanna Harrington
Analyst

(405) 858-6727

tharrington@opers.ok.gov
Charles Bachle
Analyst
(405) 858-6728 cbachle@opers.ok.gov

Teresa Moore                                   
Accounting Technician

(405) 858-6723 

tmoore@opers.ok.gov

Daniel Cunning           
Analyst 

(405) 858-6729

dcunning@opers.ok.gov

MEMBER SERVICES DIVISION

Linda Webb
Director of Member Services

(405) 858-6794

lwebb@opers.ok.gov

Defined Contribution (SoonerSave) Department

Ray Pool
Administrator

(405) 858-6710

rpool@opers.ok.gov
Chris Jones
Administrative Programs Officer

(405) 858-6781

cjones@opers.ok.gov
Marva Parsons
Analyst

(405) 858-6705 

mparsons@opers.ok.gov
Andrea Gabel
Administrative Assistant

(405) 858-6796

agabel@opers.ok.gov

Defined Benefit Department

Rebecca Catlett
Administrator

(405) 858-6770

rcatlett@opers.ok.gov
Karen Anderson
Supervisor

(405) 858-6774

kanderson@opers.ok.gov
Kristen Lancaster
Supervisor 

(405) 858-6736

klancaster@opers.ok.gov 
Yin Hwee Chua
Analyst 

(405) 858-6780

yhchua@opers.ok.gov  
Colleen Cook
Analyst

(405) 858-6775

ccook@opers.ok.gov
Megan Davis
Analyst 

(405) 858-6757

mdavis@opers.ok.gov 
Rheuben Green
Analyst

(405) 858-6755

rgreen@opers.ok.gov
Njambi Keenan
Analyst 

(405) 858-6756

nkeenan@opers.ok.gov 
Teresa Madden
Analyst 

(405) 858-6739

tmadden@opers.ok.gov 
Naomi Mignone
Analyst

(405) 858-6779

nmignone@opers.ok.gov
Nelda Nance
Analyst 

(405) 858-6715

nnance@opers.ok.gov 
Anna Stetnish
Analyst

(405) 858-6777

astetnish@opers.ok.gov
Thy Tran
Analyst

(405) 858-6738

ttran@opers.ok.gov
Gaye Williams
Analyst 

(405) 858-6778

gwilliams@opers.ok.gov 

Communications Department

Patrick W. Lane
Communications & Customer Contact Director

(405) 858-6720

plane@opers.ok.gov
Mark Wehling
Administrative Assistant

(405) 858-6795

mwehling@opers.ok.gov
Dawn Wells
Administrative Assistant
(405) 858-6737
dwells@opers.ok.gov
Stephanie White
Administrative Programs Officer

(405) 858-6768

swhite@opers.ok.gov
LaDonna Newland
Analyst

(405) 858-6772

lnewland@opers.ok.gov
Cherri Brown
Analyst

(405) 858-6730

cbrown@opers.ok.gov
Anna Grubbs
Administrative Programs Officer

(405) 858-6760

agrubbs@opers.ok.gov 
Pamela Anderson
Administrative Assistant

(405) 858-6735

panderson@opers.ok.gov
Jean Gallagher
Administrative Assistant

(405) 858-6793

jgallagher@opers.ok.gov
Christi Koehn
Administrative Technician
(405) 858-6754 ckoehn@opers.ok.gov
VACANT
Administrative Technician


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