Meet the Binary Tree Management Team

Combining business acumen with technical savvy, Binary Tree’s executives inspire thousands of customers to have confidence in our abilities. The management team brings decades of diverse experience and a history of success.

Executive Management

Steven Pivnik
Chief Executive Officer (CEO)

Mr. Pivnik is the co-founder and CEO of Binary Tree, a leader in the messaging and collaboration migration and coexistence market. With a broad innovative background in corporate vision and strategic planning that spans 20 years, Mr. Pivnik is a proven entrepreneur, delivering technology solutions to Fortune 500 clients and small businesses alike. To date, Binary Tree has accumulated over 6,000 customers and has achieved global expansion and recognition under Mr. Pivnik’s leadership. 

In late 1999, as part of a services asset sale to a venture-backed cloud services provider, Steven joined the acquiring company as Vice President of Customer Implementations and integrated the next 6 acquisitions into his national practice. Upon his return to Binary Tree in 2001, Steven changed the direction and focus of the company to fully embrace and support Microsoft Exchange migrations. Steven and his team revolutionized the way customers migrate to the cloud with the advent of hosted migrations.

Mr. Pivnik has built a distinguished executive management career and in recognition, has been featured as a finalist for several awards including the Ernst & Young Entrepreneur of the Year and the INC Entrepreneur of the Year. Binary Tree’s steady growth has secured a spot on the Inc 5000 list of fastest growing companies 6 years in a row.

Eli Bakofsky
Chief Financial Officer (CFO)

Mr. Bakofsky has over 25 years of experience as a senior level Accounting, Finance and Operations leader.  After serving as the CFO for Mobixi for seven years, Eli joined the Company in March 2014. As a the company’s Chief Financial Officer, he oversees finance/accounting organization, banking and investment relations, acquisitions, treasury, legal, risk management activities, controller functions, human resources and administrative functions. Eli plays an important role in a variety of strategic and operating initiatives for Binary Tree, including products and organizational strategies. Prior to joining Mobixi, Eli was Controller of MobileESPN, CFO of Call Sciences, VP of Finance and Administration for UbiquiTel and held numerous senior leadership positions in AT&T Wireless Services. At these opportunities, he led numerous M&A activities and developed, implemented and maintained systems, processes and procedures. In addition, Eli negotiated partnerships and led domestic and international operating divisions. Born in New York, Eli received a B.A. degree in Accounting from Queens College of the City Universities of New York. He currently resides in New Jersey with his wife and children.

Vadim Gringolts
Chief Technology Officer (CTO)

Vadim Gringolts is Binary Tree’s Chief Technology Officer (CTO) and is responsible for defining, developing and delivering Binary Tree’s messaging & migration products strategy, overseeing product development and implementation services. Vadim has over 20 years of experience working in the messaging industry and 10 years of involvement with Lotus Notes and Domino and virtually every other messaging system and protocol. Having begun his career developing gateways to connect dissimilar mail systems, Mr. Gringolts transitioned to product implementation, system architecture and high level messaging and migration consulting for a wide variety of customers from Fortune 500 companies to small organizations. Mr. Gringolts is an author of many articles in the migration & messaging arena and over the years has been a frequent speaker at industry-related conferences such as EMA and Lotusphere.

Carl Baumann
Vice President of Sales and Marketing

Carl Baumann, VP of Sales and Marketing, joined Binary Tree in 1998. Carl’s efforts have been instrumental in driving continuous year-over-year sales growth throughout his tenure at Binary Tree. The results of his impact are evidenced most recently by Binary Tree’s recognition in the Inc. 5000 list of fastest growing private companies for the last six years in a row. Working with the Microsoft Premier Deployment (MPD) team, Carl developed a scalable sales model for migrating customers to Microsoft Exchange Online in BPOS and Microsoft Office 365. This effort resulted in the migration of over 2 million users to the Microsoft cloud via a remote hosted migration process invented by Binary Tree. Carl has successfully spearheaded the marketing launches and go-to-market strategies of Binary Tree’s migration software products, as well as serve as the catalyst for the growth of the Binary Tree sales team and partner channel, throughout North America as well as into Europe, the Middle East, Africa, and Asia Pacific. Also known as a well-versed technologist, Carl has contributed to multiple technical papers including an IBM Redbook on Microsoft Exchange migration as well as to the publication "Internet Security: A Jumpstart for Systems Administrators and IT Managers" by authors Tim Speed and Juanita Ellis. Carl holds a Bachelor of Science from LaSalle University in Philadelphia majoring in Marketing and minoring in both International Business and Spanish. In addition, Carl holds a Masters degree in E-Commerce and Technology Management from the Stevens Institute of Technology.

Senior Management

Stefan af Bjur
General Manager, EMEA 

In his most recent role before joining Binary Tree, Stefan was part of the Microsoft’s worldwide IBM-, Google- and Open Office Compete team based out of corporate headquarters in Redmond, Washington, where his main responsibility was to help Microsoft win deals but also to educate and influence customers, partners and sales resources around the world. Stefan joined Microsoft in June 2005 as part of an acquisition and his previous Microsoft role was mainly focused on mail and collaboration security. His working career spans over a multitude of roles including programming, support, project management, sales, marketing and management but they all have one common denominator: Notes/Domino. In this area, Stefan was the first certified Notes consultant in Sweden (1991), co-founded two companies and most recently - before joining Microsoft - held the role as EMEA Manager for Lotus Products for Sybari.

Pete Caldecourt
Sales Engineering Manager

Pete Caldecourt has over 20 years of experience working in the messaging industry and over 15 years' experience in migration and coexistence. Having starting his career as an IT Administrator, Pete found an interest in email systems starting with OpenMail, cc:Mail and All-In-One then moved into migrations of users from one platform to another and working with various coexistence solutions. Mr. Caldecourt has been an integral part in many migration and coexistence initiatives, including migrations of up to 150,000 users, for some of the largest organizations around the world. Pete is a Microsoft Certified Systems Engineer (MCSE) Windows Server 2000, and 2003, Microsoft Certified Technology Specialist (MCTS) Exchange 2010 and Microsoft Certified IT Professional (MCITP) Office 365 Administrator and has contributed to various white papers in the migration and coexistence arenas. 

Erin Dunkel
Director of Marketing and Public Relations

Erin Dunkel is an accomplished marketer with more than 20 years of experience in leading strategic marketing and communications programs to drive revenue for companies. At Binary Tree, Ms. Dunkel oversees global marketing efforts to customers and partners, corporate branding, public relations and thought leadership, social media, internal and external communications, events and sales support activities.

Ms. Dunkel’s career in marketing, PR and communications includes both corporate and agency roles. She held increasingly high-level marketing positions at a variety of technology companies including Hewlett-Packard, SAP, SunGard and DecisionOne, as well as companies in diverse industries such as healthcare, interactive marketing services, B2B, hospitality and non-profits. For four years, she was the principal owner of a full-service marketing consulting firm, RPM Communications, specializing in targeted marketing programs for healthcare, technology and B2B companies. She is a co-author of a PR guidebook chapter on employee communications, and contributes to an ongoing blog on branding and outcome-based marketing. On both the client and agency side, Ms. Dunkel has been instrumental in increasing brand awareness, improving revenues, and achieving positive ROI through strategic marketing and business development activities.

Ms. Dunkel earned a Master of Science in Marketing from Johns Hopkins University and an undergraduate degree in Spanish from The College of William and Mary. She is currently an active member of the Business Marketing Association, Public Relations Society of America, and a past VP and program chairperson for the American Marketing Association.

Walter Monasterio
Director of Strategic Alliances

Walter Monasterio is responsible for managing the Binary Tree channel team and developing channel programs worldwide, including the Microsoft Alliance. He works closely with the company’s Executive Team to to ensure that Binary Tree migration software and services support worldwide deployments across all channels and customer segments.

Monasterio’s background includes several years of sales, channel and business development experience with both HP and Avaya. More recently he managed a team of consultants at Advaiya in the Redmond area where he assisted Microsoft in developing sales and marketing strategies focusing on Google, Cisco and IBM.  He has a strong technical background in Unified Communications, including voice and collaboration technologies, as well as in hardware and infrastructure. Monasterio speaks fluent Spanish and assists the Binary Tree sales teams serving Spain and Latin America.

When not working to further develop the Microsoft Partner Ecosystem, Walter can be found outdoors hiking and sporting with his family.  An avid snowboarder, Walter simply believes that the Colorado Mountains offer him a great playground to keep himself and his mind sharp. 

Deni Llambiri
Director of Development

Deni Llambiri is responsible for leading the Binary Tree development, quality assurance, and documentation teams across all product lines. Deni brings to Binary Tree extensive and diverse experience in product development, technology innovation, and enterprise software architecture. Prior to joining Binary Tree, Deni held technical leadership roles at Archive Systems and Exigis, where he played a key role in the design and development of complex technology products for large enterprises, including:  document management and workflow technologies, accounts payable automation technologies, and business process automation technologies for the risk management and insurance markets. Deni holds a BS in Computer Science from Kean University, and an MS in Computer Science from New York University.

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