Julia Lemberskiy
Head of Growth at Sera Prognostics
New York, New York
Overview
Work Experience
Head of Growth
2024 - Current
Sera Prognostics develops blood tests that are predictive of preterm birth, preeclampsia, and other pregnancy complications.
Raised $245,586,850.00 from Elevance Health, Blue Ox Healthcare Partners, Vivo Capital, aMoon Fund and Parian Global Management.
Early Career, Own Companies & Side Hustles
2010
Side Hustles: Angel investor with over a dozen early stage investments; LP and deal scout for several VC funds Real estate investor, flipper, and owner/operator of 6-figure short-term rentals business Trader since age 14 including options day trading, outperforming the market for 15+ years Advisor to several early- and growth stage startups, on the jury for various startup competitions Contributor to podcasts, blogs, journals on topics like entrepreneurship, real estate, immigration & others Traveller with 80+ countries under my belt Mom to a wonderful baby girl Own Companies: Founded and ran startup studio in 2015/2016 with 8 employees and 100k+ app downloads Founded and ran third biggest online couponing startup in Germany in 2011-2012 Early Career: Various internship in online marketing and operations at startups in Germany in 2009-2011 Sales Manager for Qype Deals in 2010-2011 Various freelance gigs doing website development and online marketing for local businesses since 2008
VC Principal & Advisor
2021 - 2024
Led digital transformation of VC fund (deal discovery through AI, back end automations, & more) Supported portfolio companies with GTM and scalability strategy Co-led over a dozen Series Seed and Series A investments Together with Founding Partner raised the firm's third Fund from dozens of UHNWIs
Frontier Ventures invests in early stage Artificial Intelligence companies with network effects and connects them to global markets.
Head of Growth
2022 - 2024
Reduced CAC by over 50% and overall marketing costs by nearly 80% without slowing growth Launched B2B arm of the business, now majority of revenue Led re-pricing, resulting in a double-digit margin improvement
Double connects busy executives with experienced part-time assistants and delegation tools.
Raised $14,500,000.00 from FJ Labs, Teamworthy Ventures, Daphni, Eurazeo, Index Ventures, Frenchfounders, Rand Hindi and Forefront Venture Partners.
Co-Founder & Managing Director
2020 - 2022
Supported over two dozen VC-backed hyper-growth startups on GTM, operations, fundraising, and product diversification Grew to 7 figures in retainers within first year with average client staying 7+ months See pinned post for some of the key achievements for clients
Head of Central Operations; Launcher
2016 - 2020
Head of Central Operations - UberWorks - 8/2019-9/2020 - Chicago $0-$20M ARR within a year; 98% fill-rate (vs ~50% industry average), led team of 50+ Launcher & Interim GM - JUMP - 12/2018-8/2019 - Washington D.C. Launched and ran largest US Electric Scooter city & only profitable one worldwide General Manager, Russia - UberEats - 10/2016-4/2018 - Amsterdam, Moscow Launched, scaled ($10m+ ARR) and sold (Yandex) UberEats Russia; Signed exclusive delivery deal with McDonalds ahead of Uber's global deal
Uber develops, markets, and operates a ride-sharing mobile application that allows consumers to submit a trip request.
Raised $30,212,450,000.00 from PayPal.
Global Venture Development Manager; Interim CMO
2014 - 2018
Interim CMO - GoReadyMade - 5/2018-12/2018 - New York $15M ARR within 1 year Interim CMO - Global Savings Group - 6/2015-5/2016 - Munich Led marketing for leading couponing platform in 20+ countries Marketing Manager - EatFirst - 9/2014-6/2015 - London $0 to $10m+ ARR for FoodTech delivery service