Wichita-based Clark Investment Group is hiring John Exline as its new chief financial officer — and he’s no stranger to CIG’s multifaceted business. Exline is a special projects consultant for Allen, Gibbs & Houlik LC, where he was brought on in April 2012 to work with CIG and to help it design financial reporting systems. Needless to say, he’s familiar with his client/soon-to-be employer. While he’s technically not CFO yet, he’s been acting in that capacity, Exline tells me. Exline…