Leadership Team

Led by CEO Sushil Garg and COO Steve Markle, BirchStreet’s leadership team has a wide breadth of experience, industry knowledge and technical expertise.

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 Sushil Garg   Chairman and CEO

Sushil Garg is the founder, Chairman and CEO of BirchStreet. As a hands-on entrepreneur, over the past 40 years Sushil has founded, run and sold a number of successful software businesses. Throughout his career, he has been regarded as a leader and visionary whose ideas, products and expertise have been on the cutting edge of the software industry. Today, Sushil is fully engaged in guiding BirchStreet forward, while maintaining close relationships with our major customers.

From an early age, Sushil’s innovative ambition led him to develop and grow numerous businesses. In 1982, he founded Pro Computer Sciences (PCS), where he created the PRO IV development language. PRO IV was the first object-oriented, fourth-generation language to bring open architecture and real-time programming to business application development. PCS was sold to a leading technology company in the mid-1980’s. Starting In 1987, Sushil built a successful consulting services firm, GDI, that focused on PRO IV development projects and was ultimately sold to one of the “big four” advertising and marketing services companies in 1999. On the heels of his GDI success, Sushil founded Sagence Systems to convert his J4 language into an application development platform for the newly emerging multi-tenant, cloud-based market, also known as SaaS, focusing on the accounting and supply chain market.

Seeing an opportunity to play a major role in significantly improving the procure-to-pay (P2P) business processes in the hospitality industry, Sushil founded BirchStreet Systems in 2002. As with many of his former ventures, BirchStreet has grown into the global leader for the enterprise application suite used to manage his targeted vertical. His strong entrepreneurial drive, technological insights and customer intimacy are key elements of BirchStreet’s culture and its success.

Steve Markle
 Steve Markle   COO

Steve Markle is the Chief Operating Officer at BirchStreet. Steve brings over 20 years of technology and business leadership. Steve’s responsibilities include direct responsibility for leading and managing BirchStreet’s Customer Success operational units including Project Management, Technical Service, Customer Support, Training, Account Management as well as Product Management.

In addition to Markle’s new role at BirchStreet, he will continue as an Independent Director on the Board of MarginPoint, a leading Inventory Management SaaS company. Prior to BirchStreet, he was Vice President and General Manager, CLM and SRM for Apttus, the category-defining Quote-to-Cash software provider.  Markle was founder and CEO of BuildBeam, job management software designed specifically for specialty trade contractors (acquired by DaftLabs). From 2001 until 2013, Steve was an executive at Ariba (acquired by SAP), a pioneer in Sourcing, Procurement and Business Network space where he ultimately served as Vice President of Solutions Management. Markle grew up in the suburbs of Philadelphia and has lived in the San Francisco Bay Area and Southern California ever since earning his BSE in Mechanical and Aerospace Engineering from Princeton University.

Joseph A. Fox Chief Strategy Officer

Joe is the Chief Strategy Officer at BirchStreet. He brings over 30 years of software and business leadership experience. Joe’s responsibilities include Strategy, Business Development and the BirchStreet Business Network. Joe is a member of the BirchStreet Executive Team. In addition to his position at BirchStreet Joe is a member of the International Chamber of Commerce, the Orange County California Octane group and is an advisor for a number of startup companies across the US.
Prior to BirchStreet Joe held the position of SVP Business Development & Strategy, SAP Ariba, for ten years. Joe held a number of positions within Ariba including Product Management, Marketing, Consulting and Strategy. Prior to Ariba he was with Accenture BPO, Xign Corporation, E&Y Management Consulting and was COO of a biotech startup. Originally from Ohio, Joe grew up in St. Louis and now resides in California. He holds a Bachelor of Science Computer Science from Rockhurst University, Kansas City, Missouri.

Sundar Kamak   SVP, Head of Marketing And Product Strategy

Sundar will have direct responsibility for leading and managing BirchStreet Systems Global Marketing, product marketing, pre-sales and solution engineering/consulting activities. He will also act as a senior member of the BirchStreet Executive Team. Sundar has more than 20+ years of experience as a strategic sourcing and supply chain management practitioner. This includes experience in solutions/customer marketing, product management and engineering, while interacting with customers across the globe.
Sundar came to BirchStreet from SAP Ariba, where in his last role was Vice President, Products and Innovation. Prior to his role in P&I, Sundar lead Global Solutions Marketing as the VP of Solution Marketing covering the entire Source-to-Pay product portfolio. Sundar joined SAP Ariba in 2004, through the FreeMarkets acquisition, as a Solution Line Manager focused on driving Ariba’s business strategy and market leadership and delivering growth in Strategic Sourcing solutions.
Prior to joining Ariba, Sundar spent a number of years with eBusiness automotive marketplace Covisint, in their Strategic Sourcing Solution group. He led large strategic sourcing and eBusiness transformation initiatives for the group’s automotive OEMs. Before that, Sundar worked in manufacturing and supply chain operations in a variety of roles for aerospace and automotive companies.
Sundar has been an active leader in his industry, presenting at Sourcing Interest Group (SIG) events, the ISM Supply Management Conference, the Ariba Live conference and the Procurement Leaders and Procurecon conference. He has also contributed to several sourcing and supply chain-focused blogs and magazines.
Kamak earned master’s degrees in both materials science & engineering and mechanical engineering from Wayne State University in Detroit.

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Kim Huff   Vice President, Customer Success

Kim leads Customer Success at BirchStreet and is responsible for the success of our valued customers and their ability to streamline overall processes maximizing the many benefits of the BirchStreet solution. Kim’s goal is promoting a lifetime of customer advocacy and satisfaction through relationship building and being intimately familiar with their key business objectives and technical needs. In addition to Customer Success, Kim also oversees our Global Training Team ensuring that training and onsite implementation services are provided worldwide with excellence, for a growing globally diverse and multi-lingual customer base.

Kim has been with BirchStreet for more than 11 years at BirchStreet with stints in almost every department at BirchStreet. As the company continued to grow, Kim founded BirchStreet’s highly regarded Product Management and Global Training teams. Prior to that, she focused on standardizing global implementation as Client Services Director, and automating support processes as Customer Support Manager.

Kim has over 20 years of IT experience within the healthcare and hospitality industries. Prior to joining BirchStreet, among many other projects, she successfully managed the Boyd Gaming Corporate Project Plan for the Stardust Resort & Casino Deconstruction and Corporate Relocation. With her deep experience and tireless dedication to customer service, Kim has been a key player in BirchStreet’s growth and continuous drive for customer satisfaction and overall solutions success.

Karla Kannan VP Global Solutions Delivery

Karla Kannan is the Vice President of Global Solutions Delivery at BirchStreet. She brings with her over a decade of hospitality and Supply Chain experience. In her role she leads the teams implementing and delivering the platform to customers across our different offices. Her team is composed of Project Managers, Program Managers and Solution Delivery Managers. She also oversees the Mexico City office. With her arrival at BirchStreet Karla began developing process improvements for global enterprise clients, allowing for deployment standardization and replicable outcomes across all projects. Prior to joining BirchStreet Karla served as Director of Purchasing at Four Seasons Hotels at several locations as an SME for software implementations.

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Thron Havens   Chief Information Officer 

Thron Havens is the Chief Information Officer at BirchStreet. He is responsible for all customer facing systems and networks infrastructure. Thron’s group is primarily responsible for maintaining the reliability of the Company’s network which provides 24/7 enterprise-wide access to the mission critical applications provided by BirchStreet to its global customers.

Since joining BirchStreet in 2012, Thron has focused on improving the customer’s experience by implementing several new technologies as well as overseeing a full infrastructure upgrade of BirchStreet’s development and production environment. Under Thron’s leadership, the BirchStreet IT organization is continuously improving the strength and reliability of its services and incorporating new technologies to help BirchStreet maintain its leadership in procure-to-pay (P2P) for the Hospitality industry.

Thron brings over 20 years of expertise in the IT field with extensive experience growing networks from the ground up. Prior to BirchStreet, Thron spent 11 years expanding and maintaining the enterprise network needs at Minka Lighting, one of the world’s leading Decorative Lighting Manufacturers. His responsibilities included the enterprise-wide network environment which interconnected 5 remote facilities, globally.

Jon Castillo   Vice President, Client Services

Jon Castillo is BirchStreet’s Vice President of Technical Services. In his role, Jon oversees the Technical Services team that manages the configurations, interfaces, supplier services, project management and technical support for BirchStreet. During Jon’s tenure at BirchStreet, he has been immersed himself in all aspects of the technical work required to on-board the Company’s customers and support their technical requirements over the long-term. Over the past five years, he has been an essential, hands-on player in every department responsible for servicing the technical needs of BirchStreet’s customers and their suppliers; Customer Support, Supplier Adoption, Project Management, Development & Implementation and Integrations.

Before taking on his current management position, Jon was the Project Manager for many of the company’s high profile customers. That experience has given Jon deep insight into the all facets of BirchStreet’s technology. Moreover, it has provided him with an innate understanding of customer value and best practices in procure-to-pay (P2P) processes. Prior to joining BirchStreet, he provided technical support in the telecommunications industry.

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Doug Sanborn   Strategic Projects

Doug Sanborn is the Chief Technology Officer at BirchStreet. Doug brings a wealth of technology background, expertise and knowledge to the BirchStreet platform. His focus is to drive to continuously improve the software design and architecture across all BirchStreet’s existing and future applications.

Prior to his role in launching and managing BirchStreet’s technology, Doug had a distinguished career in software application development. First, serving as an Information Technology and Management Consultant for more than seven years with Kenneth Leventhal & Company where his team developed custom applications for the banking and corporate real estate sectors. Doug then launched and advanced Gravity Software, which offered productivity tools for financial professionals. After the sale of Gravity, he led R&D at Epicor Software Corporation for two of the company’s flagship ERP and accounting software products, targeted largely at the hospitality industry. In 2002, he joined Sushil in launching BirchStreet, where he led the creation of the SaaS platform upon which all BirchStreet products are based. Under Doug’s continuing leadership on the technology side of its business, BirchStreet has transitioned from a startup to the rapidly growing, leader in P2P software for the Hospitality industry that it is, today.

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