Founder & CEO, Board Member
As Founder and CEO of Tamarack Consulting, Daniel Nelson is well-versed in the challenges and opportunities facing lessors and lenders. A recognized industry expert, Nelson has spent his entire career working exclusively within the equipment finance and commercial lending industry. After working for an industry leading software platform for more than a decade, Nelson was driven to form Tamarack to help lessors of all types and sizes simplify their operations and improve performance. In Tamarack, Nelson created a technology company that understands the needs equipment finance industry and for more than two decades his company has been developing and implementing solutions that enable lessors to realize greater value though automation, training, and better software integration.
Known for his dedication to creating relationships and facilitating connections that support the continued development and success of the equipment financing industry, Nelson is a constant champion for the industry groups leading the way. He has been an active member of the Equipment Leasing and Finance Association (ELFA) since 2002 and presently serves on the associations board of directors. Nelson is also actively involved with the National Equipment Finance Association (NEFA) and the Certified Lease & Finance Professional (CLFP) Foundation. Since earning his CLFP designation in 2017, he has served 2 terms on the organization’s board of directors.
Scott Nelson, PhD
Chief Digital Officer, Board Member
A well-recognized expert in technology strategy and development including Internet of Things (IoT) connectivity, Scott Nelson leads the company’s efforts to expand its impact on the industry through innovation with new products, system level thinking, and the application of new technologies with a design thinking methodology.
For more than 30 years Nelson has led product development, product management, and entrepreneurial business growth as a technology and business leader. After beginning his career at Honeywell in the Corporate R&D center, Nelson spent the next 15 years at Logic PD as CTO and EVP. More recently, Nelson served as the Chief Product Officer and Vice President of Product at Digi International, a leading global provider of business and mission-critical IoT products and services and the Chief Technical Officer (CTO) and Executive Vice President of Corporate Development at SkyWater Technology Foundry, where he led strategy, growth, and new-offering development.
Vice President of Corporate Development, Board Member
A technology and finance services veteran, Sid Overbey has more than four decades of experience across technology, finance and their intersection. As vice president of corporate development and Secretary of Tamarack’s Board of Directors, Overbey is responsible for expanding Tamarack’s relationships with industry partners, as well as plan and execute a growth strategy for the company.
Overbey began his career in the IT Department of Sears Roebuck and Company. Then over the next 25 years, he held various senior executive roles at IBM, Advantis ($2B IBM Joint Venture) and AT&T. Most recently Overbey served as CFO at Accelerated Concepts, Inc. an LTE networking solutions company with major operations in the US and Australia. As the Chief Financial Officer, he was responsible for the finance, legal, and human resource operations of the company. In a span of six years, he helped grow company’s revenue from $800K to over $18M. In the end, he managed the sell side of acquisition discussions and closed the acquisition of Accelerated by Digi International, Inc.
Director of Professional Services
Since joining the Tamarack team in 2017, Carlson has been an instrumental part of the company’s sustained growth. Central to the company’s ability to provide greater value across the equipment finance industry, Carlson has P&L responsibility for the Professional Services group in addition to managing client relationships.
A strong advocate for the equipment finance industry, Carlson is an active member of the Equipment Leasing and Finance Association (ELFA), has served on the organization’s Ops and Tech planning committee since 2018, and earned the Certified Lease & Finance Professional (CLFP) designation in 2019. He began working in the industry in 2006 as a software developer at a leading equipment finance software company.
Manager of Finance and Human Resources
An integral member of the Tamarack leadership team, Amy Mimick oversees the company’s finance and human resource functions. Since joining the company in 2015, she has been instrumental in the company’s growth and recent realignment. Prior to Tamarack, Mimick spent more than a decade at SuperValu, Inc. where she was a Senior Technical Analyst, IT.
Senior Director of Product Development, Board Member
Rick joined Tamarack in August of 2020 after serving in Product Management leadership positions at Digi International, Inc. and Accelerated Concepts. In his role as Senior Director of product development, Gretsch will oversee the development of Tamarack’s product portfolio.
Gretsch started his career as a Systems Engineer in IBM’s Chicago Finance office supporting banks and the Chicago exchanges. Over the next 20 years Gretsch held various leadership roles at IBM and AT&T. In 2011, he joined Accelerated Concepts as VP of Product Management and developed and launched several successful cellular routers targeting the Retail Industry. After being acquired by Digi International, Gretsch continued as VP of Product Management integrating the Accelerated products into the Digi product line and launching a new family of Digi Industrial Routers based on Accelerated technology. Rick earned a BS from the University of Arizona and an MBA from the Mendoza College of Business at the University of Notre Dame.
As a member of Tamarack’s Board of Directors, Jeff Cowan brings an entrepreneur, capital and lessor perspective to the company’s board of directors having spent more than 33 years in the finance industry. He currently is Managing Partner of Capital Four, LLC. which he formed in 2018, and an active member of the Minnesota start-up community. Prior to Capital Four, Cowan was a founding partner and co-CEO of Creekridge Capital and was invited to and became President of HCA Vendor Services when the company was acquired by Hitachi Capital America Corp. in June 2016.