David A. Callner is an accomplished technology executive with extensive experience in leadership roles focused on growth and innovation. Currently serving as Chief Growth Officer at SAJ Technologies since October 2025, David has held significant positions at various organizations, including Chief Technology and Growth Officer at INCATech, Chief Growth and Technology Officer at Stratera Technologies, and Chief Growth Officer at M9 Solutions. Prior roles include Senior Vice President at RIVA Solutions, Inc., Senior Director of Technical Innovation and Service Excellence at Zolon Tech Inc., and Chief Technology Officer at CALNET, Inc. and Obsidian Global, LLC. David's foundational expertise is supported by a Master of Science in Computer Science from The Johns Hopkins University and a Bachelor of Science in Computer Science from The University of Texas at Austin.
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