team

Ravi Balasubramanian
Ravi Balasubramanian

FOUNDER / CEO

Ravi was a trader and portfolio manager at Lehman, Barclays, UBS, and Harvard Management Company before co-founding Sandbox. He was in the M&T program and got degrees in Electrical Engineering and Economics from the University of Pennsylvania and Wharton. 

When he's not on the phone with customers, he's writing Python. Ravi loves rock-climbing, scuba diving, and travelling beyond cell-phone coverage.

Skye Isard
Skye Isard

FOUNDER / CTO

Skye was a software developer at MIT CSAIL and Harvard Management Company before co-founding Sandbox. He holds degrees in Computer Science and Psychology from Tufts University.

Skye does anything necessary to build a great product and delight customers.  He loves running, poker, pretending to be a competent cook, and programming (obviously).

Derek Blankenship
Derek Blankenship

SOFTWARE ENGINEER

Derek served as a case manager at the Boston Health Care for the Homeless Program, working directly with homeless clients to address social determinants of health. He also bridged the gap between caregiving and technology, leading a project to digitize staff resources and procedures into a user-friendly wiki.

Derek loves to learn new skills and develop himself. Besides constantly improving as a programmer, his roster of side projects include: poach the perfect egg, grow his own tomatoes, and launch an indie game or two.

Tarre Kroft
Tarre Kroft

Tarre was a business analyst at Vibrant Credit Union, Modern Woodmen of America, and Trupanion before joining Sandbox Banking. He has a B.S. in Business Administration from Central Washington University and an MBA from St. Ambrose University.

When he is not managing projects with multiple clients, he is working on his Salesforce and PMI certifications. Tarre loves remodeling his house, hiking, camping, fishing, or just exploring the outdoors.

Garrett Gunzin
Garrett Gunzin

DELIVERY LEAD

Garrett was an accountant at Topco Associates, a junior equity analyst at Allen Partners, and an operations associate at Citibike NYC before joining Sandbox Banking as a business development associate. He received degrees in Finance and Marketing from the Florida Southern College.

When Garrett isn't working on implementing Sandbox, he's improving his coding skills, volunteering for community projects, or working on creative DIY projects. Garrett loves boxing, playing tennis, and learning foreign languages.

Gary Lu
Gary Lu

SOFTWARE ENGINEER

Gary was a software developer at Accenture working on Medi-Cal before Sandbox. He holds an Economics degree from the University of California at Santa Cruz, and worked for PWC as a financial auditor before giving in to his obsession to automate everything as a software engineer.

Gary loves building things using various materials: Software, wood, metal, duct tape, etc. When he is not building things, he tries to cook, pretends to play guitar, and wrenches on decrepit old cars that inexplicably continue to run.

advisors

Kirk Drake
Kirk Drake

ADVISOR

Kirk is President and CEO of Ongoing Operations, a hosted infrastructure provider that services over 500 credit unions.  He's also Founder and Chief Strategist of CU 2.0, a network of credit union leaders focused on applying innovative technologies within the credit union industry. 

Jack Klinck
Jack Klinck

ADVISOR

Jack is a financial services executive with deep Management Committee experience at State Street and BNY Mellon.  He's currently Managing Partner at Hyperplane, a VC firm focusing on machine learning and AI companies.  Jack is also an angel investor who currently mentors 12 early stage fintech startups.

partners & investors

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