Investing Profile

Mike Chalfen(2)

VCAngelInvestor

General Partner at Advent Venture Partners

chalfenventures.comLondon

Your Intro Paths to Mike Chalfen

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Mike Chalfen's investing connections

Connected to 1 investor on Signal.

Networks Mike is a member of

Harvard University Network

897 CONNECTIONS

Boston Consulting Group (BCG) Network

462 CONNECTIONS

University of Cambridge Network

361 CONNECTIONS

XtreamIT Network

68 CONNECTIONS

XtreamIT Network

68 CONNECTIONS

Find Mike Chalfen on

Current Investing Position

Advent Venture Partners General Partner

Investment Range

$100K - $5.0M

Sweet Spot

$1.5M

Investments On Record

Current Fund Size

$146.3M

Mike Chalfen is on these Sector & Stage Rankings

Lodging/Hospitality (Seed)AI (Seed)London Angel, Scout, and Solo-Capitalists Enterprise Applications (Seed)Lodging/Hospitality (Pre-seed)Enterprise Applications (Pre-seed)AI (Pre-seed)Enterprise (Pre-seed)SaaS (Pre-seed)Supply Chain Tech (Pre-seed)Supply Chain Tech (Seed)SaaS (Seed)Enterprise (Seed)

Mike Chalfen's Investments On Record (25)

Company	StageDateRound Size	Total Raised
Inherent	SeedMay 2026$50M	$50M
Co-investors: Danny Rimer (Index Ventures), Charlie Songhurst
Iridius	SeedApr 2026$9M	$9M
SurrealDB	Series AFeb 2026$23M Series AJun 2024$15M	$44M
Co-investors: Matthias Turck (FirstMark Capital)
Amenitiz	Series BNov 2025$45M Series AApr 2022$29M	$81M
Co-investors: Avi Meir (TravelPerk), Louis Coppey (Point Nine Capital), Alex Brunicki (Backed VC), Lucile Cornet (Eight Roads), Pablo Ventura Aranguren (KFund), Chris Hemmeter (Thayer Ventures)
Tracelight	SeedAug 2025$4M	$4M
Co-investors: Charlie Songhurst
Stackfix	SeedDec 2024$3M	$3M
Co-investors: Mandeep Singh (Andreessen Horowitz), Alice Bentinck (Entrepreneur First), Charles Delingpole (ComplyAdvantage), Paul Forster (Tech - early stage investor), Matt Clifford (Entrepreneur First)
Polar Analytics	Series ANov 2024$19M	$29M
Co-investors: Christoph Janz (Point Nine Capital), Guillaume Luccisano (AngelList Syndicator), Andre Haddad (Webb Investment Network), Guillaume Cabane (HyperGrowth Partners), Romain Lapeyre
General Index	Series AFeb 2024$12M	$12M
Co-investors: Harry Stebbings (Stride.VC)

Mike Chalfen's Experience

Co-founder and Partner Mosaic Ventures2014 - Present

General Partner Advent Venture Partners2008 - Present

Investor SurrealDBPresent

Investor IridiusPresent

General Partner Seydi ArslantaşPresent

Investor BryterPresent

Investor SEDNAPresent

Solo VC Chalfen VenturesPresent

Associate Boston Consulting Group (BCG)Present

Associate XtreamITPresent

NED SUSEPresent

Lead investor and NED eDreams ODIGEOPresent

Partner ApaxPresent

Non-Executive Director XtreamITPresent

Lead investor and NED KingPresent

NED FoundryPresent

NED and angel investor FizzbackPresent

NED Ubiquisys - Now Part of CiscoPresent

Board member and investor Seal Software, a DocuSign CompanyPresent

Investor MoogsoftPresent

Investor AtomicJar, Inc. (acquired by Docker)Present

Investor HouzzPresent

First Investor IllumioPresent

Investor XtreamITPresent

Investor Tray.aiPresent

Board Member & Investor Tray.aiPresent

Partner Chalfen VenturesPresent

Investor CrateDBPresent

Investor Oden TechnologiesPresent

Investor Harbr (Business/Productivity Software)Present

Investor Vault PlatformPresent

Investor SnykPresent

Investor Time is Ltd.Present

Investor BRYTERPresent

Investor SednaPresent

Investor LokalisePresent

Investor General IndexPresent

Investor FlexcitonPresent

Investor RevealPresent

Investor CrossbeamPresent

Investor OpplyPresent

Investor AmenitizPresent

Investor LuminovoPresent

Investor WorldoverPresent

Investor StackfixPresent

Investor DeblockPresent

Series A Investor Polar Analytics 🐻❄️Present

Investor Polar Analytics 🐻❄️Present

Investor TracelightPresent

Investor Harbr | Data. Enabled.Present

Investor Bridebook - The No.1 Wedding Planning AppPresent

Investor Lokalise — NOW hiring REMOTELYPresent

Investor luminovo.aiPresent

Investor 5Mins.aiPresent

Investor Worldover ioPresent

Investor TranslucentPresent

Investor UpcitiPresent

Investor CognaPresent

Series A Investor Polar AnalyticsPresent

Associate BCGPresent

Associate The Boston Consulting GroupPresent

NED SUSE Linux AGPresent

Partner Apax PartnersPresent

Non-Executive Director Tideway SystemsPresent

NED Ubiquisys2011 - 2013

NED The Foundry2009 - 2011

Mike Chalfen's Education

University of Cambridge Master of Arts (MA) History

Harvard University History Philosophy, Business

Investors who invest with Mike Chalfen

Scouts & Angels Affiliated With Mike Chalfen