Siantar is a cofounder of Call Levels, a finance tracking startup that supports monitor financial and business data. Call Levels raised $500,000 in November 2015 from a pre-series A round led by venture capital firm 500 Startups. The round was joined by prominent Singapore angel investors, including Koh Boon Hwee, Timothy Teo, formerly of GIC and JP Morgan, and Gracelyn Ho, formerly of Morgan Stanley. Call Levels was a finalist for Best Fintech App in Appster Awards 2015. Siantar is also a cofounder of BlastOut, a geolocated social network. Previously, she was an equity capital markets associate at HSBC and an investment analyst at Mercer Investment Consulting. She holds a master’s in financial mathematics from Stanford University and a B.S. from the London School of Economics.














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