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Management Team

The Rootstock Management Team brings together decades of industry experience and software innovation to deliver a flexible, modern and connected Cloud ERP solution for manufacturing, distribution and supply chain.

Pat Garrehy Founder, President, CEO & Board Member

Pat Garrehy is the Founder, President, and CEO for Rootstock Software® and has an extensive background as a software architect and engineer. With over 30 years of management, sales and technical experience, Mr. Garrehy brings a unique blend of analytical focus and business savvy to the table.

As CEO, Mr. Garrehy has applied his extensive background to the development of Rootstock’s nimble and powerful cloud based (SaaS) solution. In addition, Mr. Garrehy sets the company’s strategic direction and provides overall leadership for the entire management team.

Mr. Garrehy is also the founder and former CEO of Relevant Business Systems, a client-server ERP software provider with an exclusive focus on discrete manufacturing companies. Relevant, which was sold in 2006, remains the most profitable division of the acquirer to date. The software is currently utilized in a number of business operations, including major divisions of Lockheed and Solectron with sales of over one billion dollars.

As a University of California at Berkeley graduate, he holds a BS degree in business and mathematics as well as a MBA in finance from the University of Southern California.

Mark Saliman Vice President of Finance

Mark Saliman is the Vice President of Finance at Rootstock Software and brings more than 30 years of financial leadership experience to the company. Prior to joining Rootstock, Mr. Saliman was the Controller at Kenandy from the beginning of the company’s inception in 2011. Previously, he served as a finance and business process consultant for several early stage companies in mobile gaming infrastructure, high energy storage and bio-technology industries.

Mr. Saliman was CFO for UltraCell Corporation (acquired by Bren-Tronics) a portable fuel cell manufacturer and Coaxsys, a networking equipment manufacturer. Early in his career he was the Finance Director and Assistant CIO for Chiron, a global biotechnology company later acquired by Novartis. During his time at Chiron, Mr. Saliman was a leader in migrating the company from ASK Manman to SAP. For more than a decade, Mr. Saliman worked at Pacific Bell where he held various financial management positions including business unit CFO.

Mr. Saliman received an M.B.A. from the University of Michigan and B.S. with majors in Math/Computer Science and Economics from UCLA. During his free time, Mr. Saliman serves as a roving docent at Mt. Diablo State Park.

David Stephans Chief Revenue Officer

As the Chief Revenue Officer, Mr. Stephans provides strategic direction for all revenue channels, customer acquisition, solution architecture and services activities for Rootstock Software. Mr. Stephans has more than 25 years of manufacturing and technology experience and a proven track record of taking the customer experience to new levels of productivity and profitability.

Prior to Rootstock, Mr. Stephans was the General Manager of an Aerospace & Defense government subcontractor that manufactures advanced electronic products. He managed the company’s operations through a period of high growth, complex customer demands, and significant compliance requirements. With Mr. Stephans deep understanding of manufacturing systems from both the buyer and seller perspectives, he brings great insight and leadership to Rootstock. Mr. Stephans has held numerous senior management positions with firms such as Baan Supply Chain Solutions, i2 Technologies, and Relevant.

He is a graduate of Northern Illinois University with a BS in Operations Management and Information Systems.

Per Norling General Manager, International

As Rootstock’s General Manager, International Per Norling leads and manage sales, customer success and support, in addition to recruiting and enabling channel implementation within the EMEA and APAC regions.

With more than 30 years of manufacturing and technology experience he has a proven track record of taking the customer experience to new levels of productivity and profitability. As a strong leader and communicator, Mr. Norling specializes in understanding and leveraging international market opportunities for the benefit of his customers. He has extensive experience in the areas of ERP, Supply Chain & change management in the technology industry from ‘start-up’ to well established private organizations.

Most recently, Mr. Norling has been a strategic advisor for Rootstock, helping the company build its presence in EMEA. Earlier in his career, he was managing director Nordic and COO EMEA for Baan Company NV where he managed the business for the entire EMEA region. In addition to Rootstock, Mr. Norling has held several executive positions at CDC Software, ROCE Partners, TrustWeaver and Pansophic. He graduated from the School of Industrial Economics in Linköping with an MS in Engineering.

Tom Brennan Chief Marketing Officer

Tom Brennan is the Chief Marketing Officer at Rootstock Software and has an extensive track record of helping companies like Rootstock achieve rapid growth. With more than 30 years of experience in ERP and business application software, his goal is to make the market aware of the powerful value proposition Rootstock shares with Salesforce for manufacturers and distributors.

Mr. Brennan began his career as a salesman in the computer/software industry at NCR, Xerox and General DataComm. In the early 1990s, while at CODA Inc., he played a key role in helping the company go public on London’s AIM as Vice President of Sales and later served as VP of Marketing. Since then, he has held executive positions managing marketing, sales and building distribution channels at companies including The Taylor Group, ManagedOps.com, CXO Systems and Proactis.

Most recently, Mr. Brennan was Senior Vice President of Marketing at FinancialForce, a developer of cloud ERP software, where he was instrumental in driving the company from a start-up to more than $100 million in revenue and 650 employees. He is a frequent speaker at industry events focused on topics such as the cloud, customer-centric business applications and trends in ERP software. Mr. Brennan holds a B.S. in Accounting from Mount St Mary’s University and an M.B.A. in Marketing and International Business from American University.

Tom Ward Senior Vice President, Sales

Tom Ward is the Senior Vice President at Rootstock Software and has an extensive track record specializing in Cloud/SaaS, Supply Chain, artificial intelligence and optimization applications. With more than 18 years of experience in incorporating robust sales methodologies to enable companies understand business cases and make high quality decisions, Mr. Ward will direct and manage all of Rootstock’s customer solution activities.

Prior to working at Rootstock, Mr. Ward was Vice President Sales, Americas with Zilliant, the leading provider of SaaS based Artificial Intelligence/Optimization for manufacturers and distributors to help organizations maximize the value from every customer interaction. Prior to Zilliant, he was Regional Vice President Sales at Rootstock and Vice President of Sales with PROS/SignalDemand, Inc. focusing on selling, pricing and implementing operations planning solutions for large food, agriculture and commodity manufactures globally.

Based in Atlanta, Mr. Ward holds an MBA from Georgia State University and a BS in Mechanical Engineering from Auburn University.

Chuck Olinger Senior Executive Vice President

Chuck Olinger is the Senior Executive Vice President for Rootstock Software. Mr. Olinger directs Rootstock’s strategies for growth while expanding customer and partner relationships. With over 35 years in the development, sales, marketing, and implementation of manufacturing systems, Mr. Olinger provides extensive knowledge regarding today’s market and current buyer trends.

With recent experience managing the transition of an established ERP offering to the SaaS model, Mr. Olinger brings with him a strong management background coupled with a distinctly practical vision regarding the future of elevated manufacturing solutions.

Mr. Olinger has held senior management positions at numerous other technology organizations including, Martin Marietta Data Systems, TRW, nMetric LLC, Relevant Business Systems and MCBA.

Dean Hettenbach Vice President of Client Services

Dean Hettenbach is Vice President of Client Services for Rootstock Software. Mr. Hettenbach joined Rootstock in 2010 with an extensive background in manufacturing management and system solutions development. Mr. Hettenbach is primarily responsible for overseeing and implementing key measures and strategies in Professional Services to increase the level of service provided to Rootstock’s customers. From implementation to training and system upgrades, Mr. Hettenbach and his team pride themselves on being responsive, available, and proactive to their customers’ short-term and long-term needs.

During his 25 years in the manufacturing sector, Mr. Hettenbach has supported a variety of clients ranging in size from Fortune 500 to start-ups and emerging growth companies. His experience spans multiple industries including electronics, consumer packaged goods, contract manufacturing, pharmaceuticals, composites and third party logistics services. Dean Hettenbach has established a distinguished reputation as a manufacturing systems user, purchaser, developer, and manager. His extensive background and unique user-focused approach position Mr. Hettenbach as a leader in system implementations.

Mr. Hettenbach received his Bachelor’s degree in Industrial Engineering from the University of Missouri, and his Master’s degree in Industrial and Systems Engineering from the Georgia Institute of Technology. He also holds a certificate in Computer Integrated Manufacturing Systems from Georgia Tech and is an active member of APICS and the Technology Association of Georgia.

Samuel Wood Vice President of Software Engineering

Samuel Wood is the Vice President of Software Engineering for Rootstock Software. Since 2012 his responsibilities have included the management of all software development staff and serving as the chief product architect overseeing both the technical direction on the Cloud and the functional development of the product. Sam’s background includes almost 30 years of software design and development in manufacturing and accounting systems. Prior to joining Rootstock, he spent over 20 years at Relevant Business Systems (an ERP client-server software provider) as both software architect and developer serving in the chief product role reporting to the CEO from 1998 to 2006.

Trond Henning Olesen Vice President of Customer Success

Trond Henning Olesen is responsible for assuring customer success, satisfaction, software adoption, and utilization of Rootstock’s software. Trond is an experienced and accomplished technical executive of several Silicon Valley startups. He has built organizations, structures, and processes that can grow with the rapid business expansion necessary in high tech while simultaneously maintaining a high customer satisfaction. Throughout his more than 20 years’ experience leading Professional Services, Customer Support, customer training, and Engineering organizations, Trond has successfully implemented customers in the US, Europe, and Asia such as Cisco, Dell, Procter & Gamble, O2, and Telia.

Trond has held executive positions at companies like iSpheres Corporation, Viz Risk Management, and Recommind. He was a founding member of Calico Commerce, which had the 6.th best IPO in the history of NASDAQ in 1999. With his extensive technical and business background, Trond has consulted for companies such as LinkedIn, Digital Fuel, and Purisma, assisting them in improving their organizations, processes, and people.

Trond has a Ph.D. (Dr. Scient.) in Computer Science from the University of Bergen, Norway.

Randy Wheeler Managing Director of the Kenandy Business Unit

Randy Wheeler is the Managing Director of Rootstock’s Kenandy Business Unit. With 35 years of experience in the technology industry, Mr. Wheeler draws upon this expertise to lead product development, professional services, support and overall customer success for Rootstock’s Kenandy Business Unit.

Mr. Wheeler served most recently as founder and CEO of Valley Oak Systems, a leader in claims management software, services, and support for the insurance industry. Wheeler founded Valley Oak Systems in 1994 and relied on his industry experience to provide high-quality, cost effective solutions for the insurance industry. The flagship product, iVOS, provided a “one-system” solution consolidating various insurance lines — including workers’ compensation, disability, property, and liability claims — onto a single platform for increased operational efficiency. Valley Oak was listed on the Inc 500 list of fastest-growing private companies for 2002-2004 and was acquired by AON in 2007.

Prior to Valley Oak, he held positions in sales, development and client services for companies such as Marathon Systems, Saddlebrook, and Grid Systems. While at GRiD Systems, Wheeler led the group supporting the President of the United States through the White House Communications Agency (WHCA). The WHCA used over 300 portable GRiD computers and custom applications to provide all computer and communications services used by the Presidential staff during worldwide travel.

In 2004, Randy was awarded the Ernst & Young “Entrepreneur Of The Year” in the “Realizing Business Potential” category.

Pat Garrehy Founder, President, CEO & Board Member
Mark Saliman Vice President of Finance
David Stephans Chief Revenue Officer
Per Norling General Manager, International
Tom Brennan Chief Marketing Officer
Tom Ward Senior Vice President, Sales
Chuck Olinger Senior Executive Vice President
Dean Hettenbach Vice President of Client Services
Samuel Wood Vice President of Software Engineering
Trond Henning Olesen Vice President of Customer Success
Randy Wheeler Managing Director of the Kenandy Business Unit