# Leila Dillon

> Leila Dillon is Senior Vice President and Chief Marketing Officer at Ameresco, where she leads corporate marketing and communications, demand generation, internal communications and training, and contributes to investor relations. Her career has centered on translating complex infrastructure into practical public narratives, from smart, connected waste systems at Bigbelly to energy efficiency, renewable generation and resilience at Ameresco. She helped launch Ameresco's ESG Ambassadors in 2020, a group that spearheaded the company's first ESG report, and Ragan named her to its 2025 Top Women in Communications class.

- **Role:** Senior Vice President and Chief Marketing Officer at Ameresco
- **Organizations:** Ameresco, Bigbelly, Liquid Advertising, Dillon Communications, IoT Solutions World Congress
- **Education:** Studies in English and business, University of New Hampshire
- **Known for:** Helped launch Ameresco's ESG Ambassadors in 2020; the group spearheaded the company's first ESG report., Named to Ragan's 2025 Top Women in Communications class., Chaired global buildings and infrastructure programs and led international plenary sessions on women in IoT, smart cities and multi-purpose infrastructure.

## Career timeline

- **Before 2014** — Held communications leadership roles including President of Dillon Communications and Vice President of Public Relations at Liquid Advertising.
- **2014-2018** — Served at Bigbelly, ultimately as Vice President of Global Marketing and North American Distribution, working on smart-city, IoT and connected waste-management strategy.
- **2016-2018** — Participated in IoT Solutions World Congress programming, including committee, track-chair and panel-moderator responsibilities and sessions on women in IoT and multi-purpose infrastructure.
- **2019** — Joined Ameresco as Vice President of Marketing and Communications.
- **2020** — Helped launch Ameresco's ESG Ambassadors, which spearheaded the company's first ESG report.
- **2022** — Was listed as Senior Vice President, Marketing and Communications on Ameresco's executive team.
- **2025** — Named to Ragan's 2025 Top Women in Communications class in the Agency Leaders category.
- **2026** — Ameresco lists her as Senior Vice President and Chief Marketing Officer.

## Achievements

- Helped launch Ameresco's ESG Ambassadors in 2020; the group spearheaded the company's first ESG report.
- Named to Ragan's 2025 Top Women in Communications class.
- Chaired global buildings and infrastructure programs and led international plenary sessions on women in IoT, smart cities and multi-purpose infrastructure.
- Served on the IoT Solutions World Congress program committee and as a track chair.
- Built more than 20 years of experience across corporate marketing, communications, investor relations, partner strategy, lead generation and business development.

## Latest updates

- **2026-06** — Ameresco announced that Dillon, as CMO, would join CFO Mark Chiplock for a fireside chat at Baird's 2026 Global Consumer, Technology & Services Conference in New York.
- **2026-04** — Ameresco released its 2025 Impact Report, with Dillon listed as the company's media contact.
- **2025-03** — Ragan honored its 2025 Top Women in Communications class, which included Dillon.

## Links

- Website: https://www.ameresco.com/portfolio-item/leila-dillon/
- LinkedIn: https://www.linkedin.com/in/leila-dillon-016a6/

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Profile page: https://yespress.io/leila-dillon
Published by YesPress — https://yespress.io
Last updated: 2026-08-11