# How Guardian uses Sierra

As published on [sierra.ai](https://sierra.ai/customers/guardian), November 2026. Captured by usedby on 2026-11-05.

- Company: [Guardian](https://www.usedby.ai/companies/guardian.md)
- Tool: [Sierra](https://www.usedby.ai/tools/sierra.md)
- Industry: [Insurance & InsurTech](https://www.usedby.ai/companies/industry/insurance-insurtech.md)

## The use case: how Guardian deploys Sierra

Guardian is applying Sierra's AI platform to some of its highest-volume customer service interactions, including dental benefit verification calls, payment processing, and claim status inquiries, so customers can get answers faster without waiting on hold.

Summary written by usedby from the source page, in English. The figures are those of Sierra and Guardian, not ours.

> Guardian is applying Sierra’s technology to some of its highest-volume service interactions, including approximately 1 million yearly dental benefit verification calls, along with payment processing and claim status inquiries.

> Our partnership with Sierra demonstrates how Guardian is turning the tremendous potential of AI into tangible value for our customers
>
> Michael Prestileo, Chief Strategy Officer

Source: [sierra.ai](https://sierra.ai/customers/guardian), captured 2026-11-05.

## Other AI tools used by Guardian

- [Sanas](https://www.usedby.ai/tools/sanas.md) — Observed
- [Sixfold](https://www.usedby.ai/tools/sixfold.md) — Observed
- [WellSaid](https://www.usedby.ai/tools/wellsaid.md) — Observed

## Other companies using Sierra

- [ADT](https://www.usedby.ai/companies/adt.md) — Confirmed
- [Airtable](https://www.usedby.ai/companies/airtable.md) — Confirmed
- [BARK](https://www.usedby.ai/companies/bark.md) — Confirmed
- [Bared Footwear](https://www.usedby.ai/companies/bared-footwear.md) — Confirmed
- [CLEAR](https://www.usedby.ai/companies/clear.md) — Confirmed
- [Capital on Tap](https://www.usedby.ai/companies/capital-on-tap.md) — Confirmed

## What usedby checked

We compared the story with its live page on 2026-11-05.

- Checked: the passage quoted above is copied word for word from the page, near the name of Guardian.
- Checked: the publication date is read from the page’s own metadata, never guessed.
- Checked: Guardian uses Sierra. Confirmed line. Latest check across sources: 2026-11-05.
- Not checked: the result itself. We quote it; we did not measure it.

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Source: https://www.usedby.ai/case-studies/guardian-sierra · How we check: https://www.usedby.ai/methodology