Rochelle Haynes (@RVHaynes)

Congratulations @CambMA on Platinum Certification! 🏅This achievement is truly a testament to your dedication to driving results for lasting change in your community and for your residents. We are proud to have you in the @WhatWorksCities network.

City of Cambridge @CambMA Jan 14

🎉🏆 Cambridge leaders and staff are thrilled to announce the City has earned a @WhatWorksCities Platinum Certification from @BloombergDotOrg, achieving the highest standard of data excellence in city governance!

Read more: camb.ma/49Sy37o #CambMA

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Rochelle Haynes @RVHaynes Jan 14

Felicidades @MuniLujanDeCuyo on Gold @WhatWorksCities Certification! Thank you for your commitment to strengthening the resident experience by leveraging data to drive real results.

Luján de Cuyo @MuniLujanDeCuyo Jan 14

Nos enorgullece anunciar que obtuvimos la certificación nivel ORO de
@BloombergDotOrg @WhatWorksCities, que reconoce nuestro compromiso con el
fortalecimiento de
nuestra comunidad mediante el uso de datos y evidencia 🙌.

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Rochelle Haynes @RVHaynes Jan 14

Congratulations @GlendaleAZ on Platinum Certification! This is a testament to your commitment to your residents to lead with data, evidence and intention. We are thrilled to have you in the @WhatWorksCities network!

City of Glendale, AZ Verified account @GlendaleAZ Jan 14

We are proud to announce that Glendale has achieved Platinum Certification from @BloombergDotOrg @WhatWorksCities, recognizing our commitment to strengthening our community through the use of data and evidence.

Learn more at: ow.ly/rmac50XWQrK

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Rochelle Haynes @RVHaynes Jan 14

I am proud to celebrate a new cohort of @BloombergDotOrg @WhatWorksCities Certified cities! These cities across the Americas bring their innovation and data expertise to where it matters most: their communities and residents.

bit.ly/WWCJan2026

whatworkscities.bloomberg.org Celebrating 32 Cities Turning Data Into Results A letter from What Works Cities Managing Director Rochelle Haynes

What Works Cities Verified account @WhatWorksCities Jan 14

Data drives better results for residents, and @BloombergDotOrg What Works Cities Certification sets the international standard for data-driven governance.

Today, we’re thrilled to share that 32 cities have achieved Certification, including 13 new cities who joined our network of 100+ Certified cities and 19 cities that leveled up or re-Certified.

From tracking the spread of dengue fever to increasing museum access to expanding housing, we’re proud to help these cities use data to strengthen their communities. bit.ly/WWCJan2026

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Rochelle Haynes @RVHaynes Nov 20, 2025

Thank you @DataSmartCitie & @GoldsmithOnGov for the opportunity to share how cities in the @WhatWorksCities network are leveraging AI. I appreciated the shared thought leadership & collective aspirations for how this could be the moment to truly transform local governance.

Data-Smart Cities @DataSmartCities Nov 19, 2025

🎧 In our latest #DataSmartCityPod, @GoldsmithOnGov speaks with @RVHaynes @WhatWorksCities and @carriebish of Bloomberg Philanthropies about how cities can pair intentional community engagement with #GenAI and #data.
datasmart.hks.harvard.edu/city-leadershi…
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Rochelle Haynes

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