Fundraising Fox

Grant Silow

Investor

General Partner at 25Madison · Board director at Rebuild Technology · Board director at Ruby Home Services

New York City Metropolitan Area

About

Grant Silow joined 25Madison's founding team in 2018, having previously worked at Camden Partners, Summit Partners, and Radius, an AI software startup. He is a General Partner co-leading 25Madison Propel, the firm's transformation buyout fund, which applies AI transformation resources to lower-middle market services businesses it acquires.

Contact· self-published, not guessed

Invests in

AI & Machine Learning

Board director at Rebuild Technology

Intro paths

→

In turn, Grant can intro founders to Rebuild Technology's investors below.

Rebuild Technology's investors · 3

25MadisonNew York · since 2025Green Egg VenturesNew York · $100K – $1M checks · since 2025Gutter CapitalNew York · $1.5M checks · since 2025

Board director at Ruby Home Services

Intro paths

→

In turn, Grant can intro founders to Ruby Home Services's investors below.

Ruby Home Services's investors · 1

25MadisonNew York · since 2021

Experience

  1. 25madisonFounding Team, General Partnercurrent2018 — presentNew York City
  2. YPOMembercurrent2026 — present
  3. Radius IntelligenceEnterprise Sales/Go-to-Market2015 — 2017San Francisco
  4. Summit PartnersAssociate2013 — 2015Menlo Park, California
  5. Camden PartnersAnalyst2011 — 2013Baltimore, MD

Skills & more

Financial Modeling38Private Equity28Research16Data Analysis13Entrepreneurship14Economics9Financial Analysis6Social Media4Portfolio Management3Editing2Business Strategy3Corporate Finance2
+12 moreSocial InfluencePowertrainPhoto EditingSocial Media MarketingMicrosoft ExcelMicrosoft OfficeAnalysisPowerPointPublic SpeakingSpanishFluent SpanishInstagram

Languages Spanish

From Grant's professional profile.

Deals · 2

Rebuild TechnologyBoard seat

via 25Madison · filed Jan 2025 · $2.4M raise

Ruby Home ServicesBoard seat

via 25Madison · filed Jun 2021

Attribution from SEC filings, press coverage, and firm rosters.

Colleagues at 25Madison

Aaron Sobel
Board Member, Partner (Apollo Private Equity), Board Member (Cox Media Group), Board Member (Rackspace) at 25Madison
Alison McGuire
Controller at 25Madison
Anna Vardanyan
Executive Assistant & Office Manager at 25Madison
Ava Forte
Chief of Staff at 25Madison
Avery Hill
Associate at 25Madison
Ben Goldstein
Associate at 25Madison
Bobby Tuohy
Director of Product (Flashpoint), Venture Partner (First In Ventures), Head of Product (Echosec) at 25Madison
Calista Reyes
Associate at 25Madison

Frequently asked questions

Who is Grant Silow?
Grant Silow joined 25Madison's founding team in 2018, having previously worked at Camden Partners, Summit Partners, and Radius, an AI software startup. He is a General Partner co-leading 25Madison Propel, the firm's transformation buyout fund, which applies AI transformation resources to lower-middle market services businesses it acquires.
Where does Grant Silow work?
Grant Silow is General Partner at 25Madison and Board director at Rebuild Technology and Board director at Ruby Home Services.
What does Grant Silow invest in?
Grant Silow invests in AI & Machine Learning.
What boards does Grant Silow sit on?
Grant Silow holds tracked board seats at Rebuild Technology, Ruby Home Services.
Where did Grant Silow go to school?
Grant Silow studied at The Johns Hopkins University (BA with Honors, International Studies); Yale School of Management (MBA, David I. Mazer Scholarship Recipient); Germantown Academy (High School Diploma).

Same school

Also attended The Johns Hopkins University262

Nicole GaudelliEntrepreneur in Residence at GV (Google Ventures)Wes NicholsPartner at March Capital PartnersDemi ObayomiPrincipal at Sapphire VenturesJun JeonInvestor at Khosla VenturesNicole FraenkelInvestor at Khosla VenturesElena VibochManaging Director at General Catalyst

+ 256 more

Also attended Yale School of Management135

Sanjot MalhiPartner at NorthzoneTrip HoferVenture Partner at .406 VenturesAustin KwounAnalyst at .406 VenturesNate WangVP of Investments at Plum Alley InvestmentsGabby CazeauInvestor at Harlem Capital PartnersRobert BettigoleManaging Partner at Elm Street Ventures

+ 129 more

Also attended Germantown Academy4

Ryan FloydManaging Director at Storm VenturesMattPortfolio Associate at Dwight FundingDerek WalkushPartner at Variant FundCasey TrainaFounder/CTO at Overlap

Shared employers

Also worked at YPO195

Alex ChachavaInvestor at Leta CapitalRaoul Oscar FianoInvestor at DN CapitalJeff BergerVenture Partner at FJ LabsRouven DresselhausInvestor at Cavalry VenturesRobert CoppedgeChief Executive Officer at Echo Health VenturesDan MalvenVenture Partner at Alpha Partners

+ 189 more

Also worked at Radius Intelligence6

Neha JewalikarDirector of Communications at Scale Venture PartnersFrancisco GimenezInvestment Team at 8VCDarian ShiraziInvestor, entrepreneur, and Managing Partner at Gradient VenturesStu GriffithsInvestor at NFXAmey ChauguleFounder at DenormalizedJeffrey LangeFounder at Scanbase

Also worked at Summit Partners137

Pat GradyPartner at Sequoia CapitalLuciana LixandruPartner at Sequoia CapitalNiki PezeshkiGeneral Partner at Felicis VenturesShardul ShahInvestor at Index VenturesLuna SchmidInvestor at GV (Google Ventures)Phil BlackInvestor at True Ventures

+ 131 more

Also worked at Camden Partners14

John TimkenCOO + CFO at SQUADRA VENTURESMeghan McGeeHead of Platform at SQUADRA VENTURESRichelle ParhamObvious Champion at Obvious VenturesGeorge C. PetrocheilosCo-Founder and Managing Partner at Catalio Capital Management, LPR. Jacob VogelsteinCo-Founder and Managing Partner at Catalio Capital Management, LPBeckie CohenAssociate at Emerald Development Managers

+ 8 more