Updated October 28, 2026

CMO rankings / Firm profile

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Data-Mania

Last verified 2026-10-27

60
/ 100

Low evidence confidence

Data, AI, and B2B SaaS startup founders who want Lillian Pierson as a part-time fractional CMO.

Solo Practitioner, High-TouchTechnology startups, general

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Firm details

HQs
Not disclosed

Headquarters is Not published.

Typical buyer
Data, AI, and B2B SaaS startup founders who want Lillian Pierson as a part-time fractional CMO.
Verticals
Technology startups, general
Specialties
Data-Mania offers fractional CMO work.

Best fit

  • Data-Mania is Lillian Pierson's fractional CMO practice for data, AI, and B2B SaaS startups, and she says she leads marketing on a part-time basis.
  • She cites demand-gen work reaching 10% of Fortune 100 brands, 2M+ paid subscribers, $7+ million in direct revenue generated, and 700K+ channel growth.
  • A quote says a deal earned $750k for work delivered in less than 2 weeks, and another says 15 contracts valued at $310K closed since March.

Poor fit

  • Lillian Pierson's part-time CMO offer for SaaS startups is specific, and the seat fee is Not published.

Pricing

Published rates, firm estimates, and third-party estimates stay in separate rows.

  • The fractional CMO fee is Not published. The page says the model is an affordable price point without a number.
Price undisclosed

Fractional CMO

Not published

The pages reviewed do not state a monthly USD rate.

First-party page, accessed 2026-10-27.

Data-Mania site

Clients

ClientIndustryWhat they didSource
No named clients published

Where Data-Mania ranks

Rank is page-relative. See the methodology.

Evidence notes

  • Headquarters and a founding year are Not published.
  • The revenue and subscriber figures are company-reported, and the $750k and $310K quotes do not name the client.
  • Score 60 from ratings of 4, 3, 1, 4, and 2 on Track Record, Segment Fit, Pricing Transparency, Responsiveness, and Credentials. Points equal each weight times the rating divided by 5.
Main limitation: Lillian Pierson's part-time CMO offer for SaaS startups is specific, and the seat fee is Not published.