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About Us - Management/Sales


John Oldham
John Oldham
, CEO, is an accomplished senior executive focused on sales and marketing for software technology companies in the Enterprise Content Market (ECM), Business Process Management (BPM) and Performance Analytics markets. He has led sales/marketing due diligence teams working with financial and strategic buyers for over 20 software companies. An industry veteran, for the first half of his career, John worked for Fortune 500 marketing leaders, Eastman Kodak and IBM (FileNet), in the ECM software industry, managing regional and global sales teams. Since 1997, he has focused on building the Enterprise Value of smaller software technology companies. As Senior Vice President of Sales and Marketing for BPM provider, Global 360, he produced a 42% CAGR to over $100 million in revenue in his six year tenure, followed by an acquisition by private equity, and recently acquired by Open Text for $260 million. Prior to joining Critical Technologies, John was the General Manager of Databank IMX, Inc., a nationwide document/data management technology services company, developing successful vertical market software applications in Healthcare and Higher Education. The company was acquired by private equity in 2011 as the cornerstone asset for their process and content management market strategy. John has an MBA from Rochester Institute of Technology, and BA from the College of Wooster (Ohio). Chief Executive Officer, joined Critical Technologies in 2011. John is a seasoned senior management with a focus on sales and marketing and increasing enterprise revenue and company valuation. He was previously General Manager of Databank IMX, Inc., a nationwide document/data management outsource services provider, focused on applying Business Process and Enterprise Content Management (ECM) SaaS technology to vertical market applications delivered via SAS 70 Type II production facilities and data network. John was senior vice president of Global 360, Inc., a regional sales manager of Filenet, and a regional director of Eastman Kodak Company. He has had substantial experience with software startups. John has an MBA, Marketing, from Rochester Institute of Technology.


Patrick M. Castleberry, President, joined the company in February, 2004. Previously, Pat practiced law, concentrating in commercial litigation and planning and tax litigation and planning. He is a graduate of New York University School of Law (1985) and, the University of Oklahoma School of Law (1983).


Malik AhmadMalik Ahmad, Chief Financial Officer, joined our team in 2012 with outstanding qualifications in finance and accounting, and in particular the document management and automation industry. Prior to joining CT, Malik was with SOURCECORP since 1999, where he had a number of senior roles including head of finance for their BPO division, and most recently as the Corporate Director of Finance & Analysis, responsible for financial analysis, strategic planning, risk management, government contracting, and M&A including the merger of SOURCECORP and HOV Services. Prior to this assignment, he was the VP of Finance for the BPO Division, where he developed financial performance plans for major accounts, government, and Mexico operations. Malik also has considerable small company experience, working to assimilate many of SOURCECORPíS technology and services acquisitions. He started his career as an auditor with Ernst & Young, and moved to financial analysis and M&A roles in Dallas at KPMG Peat Marwick, CareSelect, and International Capital Management. Malik holds a BS in Accounting from The University of Texas at Dallas. He is a Certified Public Accountant.

Roy Davis, Vice President of Operations, overseeing Critical's operations and infrastructure. Roy has been with the team since 1995. Roy is a key management contributor in the evolutionary design of AirVaultís cloud-based ECM (Enterprise Content Management) software delivery facility. Roy oversees all of Company employees and contractors that support communications, data center infrastructure, customer support, and software operations. He is AirVaultís internal customer-facing management representative that ensures day-to-day software functionality and operational performance. Roy is the management leader responsible for developing the scalability, operational processes, and management practices for the AirVault cloud-computing facilities and SaaS applications. Formerly a manager of Customer Service and Information Technology with Optika, Inc., (Oracle), Roy has an extensive background in imaging, networking systems, and workflow systems engineering. .

Shawn KittredgeShawn Kittredge, Vice President and Product Manager of the AirVault Product Group. Shawn is responsible for the product development and strategic direction of Critical Technologies' airline industry and mortgage applications. He has extensive knowledge in the document imaging and content management worlds. He has been with the company since 1997. Prior to joining Critical Technologies he was a business engineer at Fiserv. Shawn holds an MBA and AAS in Computer Science from Oklahoma State University.

David MillerDavid Miller, Director, Product Development. David has over 10 years of experience developing applications in imaging and document management and specializes in product usability and visual aesthetics. He is responsible for the direction and development of Critical?s installed and online customer systems. David manages Critical?s staff of software engineers. He is a graduate of the University of Oklahoma, 2002, BS Computer Engineering.


Kim Swiggart, Senior Vice President. A founder of Critical Technologies, Kim is driving the company's initiative with airlines through the AirVault solution. Kim is a seasoned sales executive with years of management experience. Prior to joining Critical Technologies, he served as Regional General Manager for Harris/Lanier. 

Rick Greathouse
Rick Greathouse, Aerospace Principal, AirVault Business Development, has over 20 years of direct airline maintenance and maintenance-automation experience in various roles, including Aircraft Maintenance Technician, Maintenance Planner, Maintenance Operations Manager, and maintenance software subject matter expert/account manager. He has specialized in M&E, CMS, and records management systems. Rick started his career as a US Air Force Avionics technician, and he has worked at Delta Air Lines, Northwest Airlines, Southwest Airlines, and at software providers The Sabre Group and InfoTrust Group. 

Darlene FranklinDarlene Franklin, AirVault Sales Engineer, has over 23 years of experience as an airline analyst. She spent the last 17 years at Southwest Airlines as a Business Analyst supporting Aircraft Maintenance & Engineering and Flight Operations, with a primary focus on Electronic Records and Content Management systems. She has substantial experience in Project Management, Business Analysis, Business Modeling, and Project Implementation, specializing in researching business needs and recommending efficient and effective solutions using a variety of techniques and tools. Prior to Southwest, Ms. Franklin worked for Perot Systems.