Liberia, April 7 -- Serious questions are being raised about the role of Edwin Tisdell, a senior official at the Liberia National Fire Service, and a number of government printing and advertising contracts reportedly linked to a company he founded before joining government.

Tisdell currently serves as Deputy Director for Operations at the Fire Service. Before taking up the government job, he founded the Champions Group of Companies, which includes the printing and advertising firm Champion Design.

Although Tisdell is said to have stepped down from direct management of the company when he joined government, critics say his connection to the business still raises serious questions.

According to several sources familiar with government co...