JL

Julia Lemberskiy

Head of Growth at Sera Prognostics

New York, New York

Overview

Work Experience

  • Head of Growth

    2024 - Current

  • 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

  • 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

  • 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

  • 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

Relevant Websites