Alternative Investment Firms Find a Home in the Cloud

Abacus Group, LLC, is an IT solutions firm focused on helping hedge funds and private equity funds deploy and manage hosted solutions that improve their IT service experience. Abacus’s scalable, redundant and highly available IT platform allows investment managers to run all of their technology as a service, and offers the capacity to scale on demand and grow with their business to meet any current and future customization, storage and compliance requirements. Firms connect to their IT applications and data through high-speed circuits with minimal on-site equipment, eliminating the need to purchase new hardware every few years or maintain a large team of dedicated IT staff. The firm has successfully completed SAS 70 and SSAE18 audits and is recognized as one of the “Best Managed Accounts Technology Providers” by Hedgeweek, and has also been named “Top-100 Cloud Provider” by MSPMentor.

Specializing in Peace of Mind

Abacus helps hedge funds minimize the risks and costs associated with implementing technology for their firms by taking a personally consultative, disciplined approach to each engagement. Backed by a tested team with extensive domain expertise and a clear vision for the future of cloud computing, we take the time to understand each client’s entire operational process before attempting to solve a specific problem; and then deploy proven solutions tailored to meet a client’s specific needs.


Chris Grandi

Chris is the Founder, CEO & Chairman of the Abacus Group. Chris was previously the President of Eze Castle Integration where he helped grow the company from 30 to over 300 employees, and serviced more than 450 hedge fund clients during his tenure. Prior to this, Chris co-founded and later sold Dynamic Transactions, Inc. which developed internet payment software for commercial banks. Chris has also worked in the Fixed Income, Currency and Commodities division at Goldman Sachs in New York. Chris holds a BA from UCLA, and an MBA from Harvard Business School.


Viktor Tadijanovic

Viktor is a Founding Member & Chief Strategy Officer at Abacus Group. Viktor was previously CTO and the principal architect for Abacus's Hosted IT Platform. Before Abacus, Viktor was a Senior Systems Architect at the Gerson Lehrman Group (GLG). Prior to GLG, Viktor was a Technical Director at Eze Castle Integration where he was responsible for managing technology delivery to all hedge fund clients in New York City and Connecticut. Viktor possesses accreditations from NetApp, Cisco, VMware, Citrix and Microsoft. Viktor received a degree in Network Engineering and Data Communications from the Chubb Institute in New York.


Jonathan Bohrer

Jonathan serves as Chief Financial Officer of Abacus and is based in New York. He oversees all financial and accounting activities along with other administrative and operational functions including human resources, real estate and legal. Prior to joining Abacus, Jonathan served as Managing Director of Finance at ConvergEx Group, responsible for financial planning and analysis, M&A, capital planning and new product development. Jonathan began his career in a variety of management roles in operations and finance at General Electric and American Express. Jonathan holds a B.S. in Operations Management from Syracuse University and an M.B.A. from Penn State University.


Dave Parsons

Dave serves as Chief Information Security Officer (CISO) of Abacus and is based in New York. He’s responsible for the overall strategy and direction for security services at Abacus Group, as well as leading our Information Security team. He has over 25 years of experience in the IT and security fields. Prior to joining Abacus, Dave worked as a private security consultant for some of the largest financial services firms in the world, including Barclays, Deutsche Bank, Citibank and Macquarie Bank. He has extensive knowledge and expertise in developing and managing information security programs and policies against compliance and regulatory requirements. Dave has a master’s degree in information technology from Harvard University and is a Certified Information Systems Security Professional (CISSP).


Paul Ponzeka

Paul serves as Chief Technology Officer at Abacus Group. Paul was previously managing director of engineering at Abacus, overseeing a team of 22 engineers in the areas of R&D, systems engineering, disaster recovery and networking. Before joining Abacus in 2012, Paul was previously the head of engineering for Davidson Kempner Capital Management. Prior to Davidson Kempner, Paul was a senior engineer at Eze Castle Integration, responsible for high level VMWare and SAN implementations, as well as serving as the company’s senior messaging expert. Paul earned a BS in Operations Managing at the University of Scranton.


Mike Herman

Mike is an Abacus Founding Member and currently serves as Managing Director of Client Support and Project Management. In his current role, Mike oversees all aspects of Client Support including overall strategy, development and communication. Previously Mike served as Director of Onsite Client Support and Project Management at Abacus. Previously, Mike worked at Bank of America and BNP Paribas, where he oversaw Client Technical Services for over fifty hedge funds. Mike holds a BA from the University of Florida.


Darrell Tucker

Darrell currently serves as Managing Director of East Coast Sales & Business Development. Previously Darrell served as Director of Remote Client Support at Abacus. Prior to Abacus, Darrell was Head of US Project Management for Options-IT. Before that, Darrell served as Technical Director for BNP Paribas's Prime Brokerage Division in the Eastern Region. While based in BNP Paribas's New York office, Darrell was responsible for managing the hosted IT platform for all hedge fund clients who were procuring IT services through the BNP Paribas Prime Brokerage group. During his ten years with BNP Paribas and Bank of America Prime Brokerage (acquired by BNP), Darrell was responsible for the implementation and management of all IT functions at over 50 different hedge funds. Darrell holds a BA from the University at Albany and is located in New York.


Brian Sigmond

Brian is an Abacus Founding Member and currently serves as Managing Director of West Coast Sales & Business Development. Prior to Abacus, Brian was the Technical Director for BNP Paribas's Prime Brokerage Division (western region) where he was responsible for managing the hosted IT platform and all hedge fund clients who were procuring IT services through BNP Paribas Prime Brokerage group. During his seven years with BNP Paribas and Bank of America Prime Brokerage (acquired by BNP), Brian was responsible for the implementation and management of all IT functions at over 50 different hedge funds. Brian holds a BA from Florida Atlantic University and is located in San Francisco.


Chris Steele

Chris is an Abacus Founding Member and Managing Director of Software Services. Chris's division is responsible for Systems Integration, Process Automation and Custom Reporting projects for Abacus clients. Chris most recently worked at Round Table Investment Management where he managed the ongoing integration of Round Table's systems, counterparties and service providers. Prior to this, Chris was a Product Manager at BlackRock Solutions where he was responsible for the Aladdin® enterprise investment platform. Chris also established the Client Integration Group for Citco Fund Services in New York City, where his primary role was to ensure new hedge fund clients experienced a successful transition onto Citco's Aexeo® platform. Chris is a CFA charterholder and he has a Bachelor of Commerce from the University of Ottawa, Canada.


Adam Wayne

Adam currently serves as the Managing Director of Human Resources for Abacus and oversees all aspects of HR including Benefits, Employee Relations, Recruitment, Talent, Training & Development. Before joining Abacus, Adam was VP of HR Service Delivery at JPMorgan Chase where he led HR program and project management initiatives across LATAM. Prior to that he held various HR management roles with Diageo, Colgate-Palmolive and Bear Stearns. Adam holds a B.A. in Communications from the University of Rhode Island and is based in New York.


Tom Cole

Tom currently leads the European region, based out of London. Tom is responsible for managing our UK operation and all Abacus European employees. In this role, Tom is focused on strategy, client service, technical development and business development in the European markets. Prior to Abacus, Tom was the Chief Technology Officer for COMAC Capital (Europe) Ltd (“CCEL”) a multibillion global macro hedge fund. As CTO he led COMAC’s technology strategy, cyber security practices and group business continuity planning. Prior to that he held various technologist roles within Balyasny Asset Management, Glencore and Publicis Groupe. Tom was awarded distinction for MSc studies from the University of Liverpool.

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