Leadership Team

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

Steve Markle
 Steve Markle   CEO

Steve Markle is the CEO 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.

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 Sushil Garg   Founder and Chairman of the Board

Sushil Garg is the Founder and Chairman of the Board 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.

Dean Grimm Chief Technology Officer

Dean is the Chief Technology Officer at BirchStreet and brings a wealth of expertise and knowledge to the BirchStreet team. Dean has over 30 years of enterprise-level experience in Software Engineering with a focus on platform, architecture and product design.

He has designed, developed and brought to market several award-winning product lines in multiple industries, but most recently was the inventor, chief architect and founder of AccuBar Beverage Management system.
For more than a decade, AccuBar has defined and dominated the beverage inventory market in hospitality by leveraging patented shape profiling technology and easy to use web-based SaaS platform. Through BirchStreet’s acquisition of AccuBar in 2016, Dean will continue the spirit of innovation that hallmarked his tenure at AccuBar.

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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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