DFX Intelligence

Ian Sigalow

Co-Founder & Managing Partnerat Greycroft LP· New York, NY

As of 2026-09-30 · this person's identity; each section below carries its own date

Current roles: 1
Investments attributed: 11
Board seats: 5

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As of 2026-09-30 · this person's identity; each section below carries its own date

23 additional roles and seats, 8 additional attributed investments

Every relationship, signal and contact on this record, with the source on each.

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Nothing material in the last 365 days.

Relationship network

29 connected entities11 observed investment records7 dated investment records shown here, 2018 to 2022

From the roles sources name this person in, the investments a source attributes to them, and the boards and funds Form D names them on.

Some relationships on this record are counted rather than named here. They open with the full profile.

Click any name or line for the investment records and sources behind it. Line weight is investment records together; dashed lines are inferred.

Reading the network

Organization
Company
Fund or vehicle

›How strength and recency are read

Venture relationships are not scored. Each line names its claim: a round led or joined, a board seat or a filing that names the firm, a listing on a portfolio page (dated by when DFX saw it, never by when the investment was made), a disclosed LP commitment, or a co-investor pair counted from observed participations. Observed means a named source says so; Derived means DFX counted it from observed rows; Inferred means a match that may be wrong.

Darker lines were active in the last 24 months or are current; lighter lines are older or undated.

Ask DFX about this network

Which companies and boards is Ian Sigalow connected to?

How am I connected?

Name your firm, a company or a person, and DFX finds the published routes to Ian Sigalow: a shared portfolio company or board, a prior employer, a co-investor, a shared LP or service provider. Every step is a filed or published record with its source; none is a guess about who knows whom.

See how you connect to Ian Sigalow

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Drawing the relationship network…

Roles

1 current, 0 past

Greycroft LP Co-Founder & Managing Partner
? to present · “team page: Ian Sigalow / Co-Founder & Managing Partner”
Fact Firm website

Investments attributed to this person

Company	Round	Investor	Attribution	Date	Source
Fetch Rewards, Inc.	Form D equity offering · $190M	Greycroft LP	strongly supported · board	Apr 7, 2022	Inference sec.gov
Petabyte Technology	board only	Greycroft LP	strongly supported · board	Jul 16, 2021	Inference sec.gov
Fetch Rewards, Inc.	Form D equity offering · $211M	Greycroft LP	strongly supported · board	May 25, 2021	Inference sec.gov

Board seats and vehicles

5 boards, 24 vehicles

Fetch Rewards, Inc. board seat on a deal Apr 7, 2022 Inference
Petabyte Technology Director Jul 16, 2021 Inference
Roo Inc. board seat on a deal Jan 28, 2020 Inference
Greycroft Partners II, L.P. Executive Officer Feb 19, 2010
Greycroft Partners Annex Fund, L.P. Executive Officer Mar 7, 2012
Greycroft Partners IV, L.P. Executive Officer/Director Nov 30, 2015

Timeline

3 dated entries: events, attributed deals, board seats and role changes

Apr 7, 2022
Form D equity offering in Fetch Rewards, Inc. (Greycroft LP)
Attributed investment Inference Fetch Rewards, Inc. Form D
Jul 16, 2021
Board seat at Petabyte Technology (Greycroft LP)
Board seat Inference Petabyte Technology Form D
May 25, 2021
Form D equity offering in Fetch Rewards, Inc. (Greycroft LP)
Attributed investment Inference Fetch Rewards, Inc. Form D