Administration | OLI

Finance & Operations

think simulation | getting the chemistry right

Sandy Hogan

Business Operations Specialist


Sandy is responsible for business operations at OLI Systems. In her role as a Business Operations Specialist, Sandy oversees licensing, contracts, distribution and office management at OLI.

Sandy is the lead customer service responder and regularly coordinates and expedites both client and business partner requests. Sandy also is key member of the accounting team and works to ensure all invoices are processed in a timely manner.



Happy customers and great accounts receivable


Areas of Expertise

  • Business administration

  • Contract review

  • Office management

  • Accounting



  • BS, Marketing, Stockton State College, 1985

Yan Ramlakan

Administration Specialist


Yan is an Administration Specialist at OLI Systems. In this role, she is responsible for training coordination at OLI, all exhibit and event logistics, shipping arrangements, and office supply inventories. Yan is part of the customer service team, receiving visitors and acting as the primary telephone responder. Yan also is responsible for the office organization and communication.



Yan keeps the OLI office running smoothly!


Areas of Expertise

  • Office organization

  • Visitor reception

  • Exhibit and event arrangements

  • Staff communications

  • Shipping

Elizabeth Wankmuller 

Accounting Specialist


Elizabeth is an Accounting Specialist at OLI Systems. In this role, she is responsible for accounts payable, bookkeeping, bank reconciliation, financial reports, maintenance of financial records, and payroll.



Elizabeth has streamlined and optimized much of OLI's day-to-day financial management and human resources administration.


Areas of Expertise


Denise Llerena

Human Resources Specialist


Denise has responsibilities in human resources and administration. She administers OLI's health insurance, flexible spending accounts and health reimbursements. Denise is also part of the Business Operations Team and assists with invoicing and accounts receivable.



Denise has organized OLI's human resources administration.


Areas of Expertise

  • Employee benefits administration

  • Accounting

  • Bookkeeping


© 2020 OLI Systems , Inc.

2 Gatehall Drive, Suite 1D, Parsippany NJ 07054 USA


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