David Walker, chief executive officer of EBSCO, a Birmingham-based conglomerate with a global reach, speaks to the Kiwanis Club of Birmingham Tuesday, April 2. David will discuss his philosophy of leadership through action. With most organizations in a constant state of change, David believes leaders must be responsive and adaptive to changing conditions in order to thrive and grow. He will share how he is establishing a clear vision of where the company is going and taking the actions necessary to transform that vision into reality. Valuing team members who seek input, listen carefully, and continuously learn, David currently leads 5,400 employees at a company spread across 18 business units and bringing in $2.8 billion in annual revenue. EBSCO, which has offices in 20 countries, is celebrating its 75th anniversary this year.