Chief Executive Officer

A former baseball player and honors student at Texas Christian University, Randy Marvel ultimately faced a choice: put his degree to work in the real world or miraculously develop a 90-mph fastball. The laws of physics — and his entrepreneurial instincts — led him to choose the former, and baseball’s loss became the IT world’s gain.

As CEO of Macrospect, Randy guides the company’s operations, strategic planning, and sales and marketing efforts. Under the leadership of Randy and Co-Founder Jeff Hattendorf, Macrospect has earned recognition as one of Inc. Magazine’s “500 Fastest-Growing Private Companies.”

Prior to forming Macrospect, Randy and Hattendorf built the tech services company AIVIA from seed funding into a 125-person organization with nine offices across the U.S., before successfully selling the company in 2002.

Randy is a frequent guest speaker at industry conferences and earned his MBA in Finance from TCU, graduating with honors.

Chief Operations Officer

To borrow a phrase from the iconic stock brokerage advertising campaign, “When Jeff Hattendorf speaks, people listen.” In an industry characterized by doling out advice, Jeff delivers solutions. He specializes in solution architecture, process design, data integration, contract negotiation, engagement leadership, and training, and is well versed in industry-leading, cloud-based solutions for Planning and Finance.

As COO and Co-Founder of Macrospect, Jeff oversees every client engagement and plays an instrumental role in helping clients gain clarity where it counts most. His industry experience includes financial services, oil and gas, transportation, healthcare, pharmaceuticals, and technology, to name a few.

A graduate of the University of Texas at Austin and the TCU M.J. Neeley School of Business, Jeff is a former National Merit Scholar, current member of Mensa, and frequent guest panelist, speaker, and commentator on all things SAP.

SVP, Sales & Client Strategy

Tom Chelednik brings more than 25 years of experience helping global organizations translate finance strategy into execution through enterprise performance management. At Macrospect, he works closely with CFOs, FP&A leaders, and SAP teams to align planning, consolidation, and analytics initiatives with real business priorities.

Prior to joining Macrospect, Tom spent over 15 years at SAP, where he worked with enterprise customers on finance transformation initiatives across planning, consolidation, and analytics. This experience gives him a deep understanding of how SAP solutions are positioned, implemented, and adopted within complex organizations.

At Macrospect, Tom focuses on helping organizations move beyond disconnected processes toward integrated SAP EPM environments that support faster decision-making, stronger financial visibility, and more effective planning. His experience spans complex enterprise transformations, guiding finance teams through the practical realities of implementing modern planning and consolidation solutions.

Vice President, Solutions Delivery

Tamara Vincent leads delivery at Macrospect, overseeing the execution of planning, consolidation, and analytics initiatives for global organizations. She is responsible for ensuring projects are designed with clarity, executed with discipline, and aligned to the financial and operational requirements of the business.

Tamara plays a key role in applying Macrospect’s structured delivery approach, translating finance priorities into scalable system designs and guiding engagements from initial design through implementation. Her leadership emphasizes governance, accountability, and long-term usability — ensuring solutions perform as intended well beyond go-live.

Prior to joining Macrospect, Tamara led finance initiatives at Lexmark, where she worked directly with Macrospect as a customer. That experience informs her approach to delivery, bringing a clear understanding of both the expectations placed on finance teams and the importance of getting the implementation right.