Allen Keesler

Chairman of the Board

Since joining Jahna as President and CEO in 1997, Allen has successfully continued to nurture the company into being Florida’s leading independent sand supplier. Allen initially agreed to join Jahna for a two year period that has now evolved into a second career spanning two decades. Previous to Jahna, Allen spent 33 years with Florida Power Corporation (currently Duke Energy). He began with Florida Power in 1963 as an engineer and held various management positions. In 1982, he became president and CEO of Talquin Corporation, Florida Power’s former real estate subsidiary. Allen later moved into the role of President and CEO of Florida Power, the position he held from 1988 until 1996 when he retired. Allen attended the University of Alabama majoring in Engineering, and Rollins College where he received his degree in business.


President and Chief Executive Officer

Sam joined Jahna as President / COO in 2015 and was promoted to CEO in 2018. He is responsible for managing all business units and operations of E.R. Jahna Industries. Before joining Jahna, Sam had a 20 year career with Philips Lighting with several roles working his way to a plant manager position. While at Philips, Sam served as Plant Manager at the Paris, Texas and Salina, Kansas facilities. Sam then moved on to the Campbell Soup Company for the next 14 years managing multiple operations for Campbell Soup and subsidiary Pepperidge Farms. While with Campbell and Pepperidge Farms, Sam served as Plant Manager at the Paris, Texas facility for 5 years, plant manager at the Maxton, North Carolina facility for 5 years before serving as Plant Manager of the Pepperidge Farms Lakeland, Florida until 2015. Sam earned his Bachelor of Science degree in Business Administration, majoring in Accounting from West Virginia University (1978). He also completed an Executive Education Program at Indiana University Graduate School of Business (1993).

Emil R. Jahna III

Vice President

Oldest of Emil Jahna Jr.’s four children, Emil has been in and around the family mining business since a very young age. Before joining Jahna, Emil attended the Colorado School of Mines and worked for a brief time in underground coal mines in Southern Colorado. Emil currently plays an active role in mines planning and mineral deposit prospecting. In addition, his other roles include land acquisition and management, mine reserve development, and management of Jahna’s agriculture division, Clermont Farm and Sod. Clermont Farm and Sod includes cattle, citrus, timber, sod production, and row crops. Emil continues to play an active role in industry associations. Emil served as a board member of Florida Concrete and Products Association from 1990 to 2000 and was honored to serve as president from 1997 to 1998. He is highly active on the board of the Florida Limerock and Aggregate Institute.

Jim Jahna

Vice President and Chief Financial Officer

Jim Jahna is the CFO and Senior Vice President of E. R. Jahna Industries, Inc. Over the years, Jim has participated in all aspects of the business. Along with his current duties as CFO, he also oversees many facets of the Jahna family office. He is also very active in NOLA Land Company, which retains most of E.R. Jahna’s mining properties as well as other holdings. Jim is the third of four siblings in the second generation of the Jahna mining family. In 1981 he received his Bachelor of Science degree in Business Administration from the University of Central Florida. In 1999 he attended the prestigious Stanford Executive Program, at Stanford University’s Graduate School of Business. In 2000, he furthered his education by receiving a Masters of Business Administration from Webber International University. Jim serves on the boards of the UCF Foundation, the Lake Wales Care Center Foundation, Global Leadership and the Jahna Foundation.

Pete Gall

V.P. Sales and Marketing

Pete began his career working for Emil Jahna, Jr. in 1970 as a sand salesman for the Ortona Sand Mine and the South Florida market. Following his three years in South Florida, Pete played a vital role in the inception of S&R Transport (now S&R Logistics), Jahna’s subsidiary trucking division. He was the general manager of S&R Transport from 1973 until he assumed the sales manager role of Jahna in 1982. Pete is a past president of the Florida Limerock and Aggregate Institute, member of the Florida Concrete and Products Association Executive Committee and member of the Board of Directors from 2000 until 2003. Previous to Pete’s career at Jahna, he worked for his family’s sand mining and dried sand business, Gall Silica, in Lake Wales, Florida. During his time at Gall Silica from 1963 to 1970, Pete was exposed to every facet of the sand mining business including operations, quality control, and sales.

Carl McCollum

V.P. Controller

Since initiation of Carl’s career with Jahna in 1977, he has significantly grown the company’s administrative and accounting department from a one room, two-person operation into a large corporate support system utilizing the most up to date business processes. Carl’s areas of responsibility include management of all aspects of accounting, information technology, human resources, and business analytics. Prior to joining Jahna, he worked primarily in the citrus and agricultural industry. Carl holds a Bachelor of Science degree in Business Management from the University of South Florida (1970).

Kirk Davis

V.P. Environmental and Geological Services

Kirk has served as director of Environmental and Geological Services at E.R. Jahna Industries, Inc. since 1996, and is currently Vice President. Prior to joining Jahna, he worked at several environmental engineering and consulting firms in Florida and Georgia performing environmental, geological, and hydrological studies. His responsibilities at Jahna include environmental permitting and regulatory compliance for each of the mining operations, coordination of environmental engineering and surveying consulting services, mine reserves and sand quality evaluation, mines planning, supervision of prospecting activities, and assistance with contract dredging projects. Kirk holds a Bachelor of Science degree in Geology from the University of South Florida (1984) and an Associate of Arts degree from Brevard College (1981). He is a registered professional geologist in Florida, and is a longstanding member and former officer of the Southeastern Geological Society.