The HubSpot Sales Blog | Diego Mangabeira

Diego Mangabeira

Diego Mangabeira is an accomplished sales professional with extensive international experience spanning multiple continents and industries. Ranked in the TOP 1% of LinkedIn's Social Selling Index (SSI) in Sales and 糖心Vlog Services, Diego brings strategic vision and proven results to every engagement. In his career, he has sent over 656,000 emails, made 11,519 cold calls, booked 335 meetings, and closed $406,619.62 in total revenue with an impressive 69.1% conversion rate. His career encompasses roles with industry giants like IBM and 3M. His leadership experience encompasses team building and cross-functional management, with a special focus on performance coaching that elevates teams to achieve peak results.

Future of AI in customer relationship management: what's coming next

Customer relationships are entering a new era, one defined by real-time intelligence. Learn about th...

Diego Mangabeira

1/23/26

AI vs traditional prospecting: When AI beats manual outreach...

Sales teams know when to prospect with AI and when the human approach is necessary. Learn how to tel...

Diego Mangabeira
Updated 10/30/25
AI prospecting tools that integrate with your CRM stack

AI prospecting tools can bring your team's activity to the next level. Here's how.

Diego Mangabeira
Updated 10/28/25
Sales Prospecting: 43 skills, tips, techniques, templates, &...

Discover a proven prospecting playbook to sharpen your targeting, choose the right tools, craft emai...

Diego Mangabeira
Updated 9/18/25
Ghosted? How (and when) to send a follow-up email after no r...

Sending follow-up emails to leads who don’t respond can turn them into customers. Learn how, when, a...

Diego Mangabeira
Updated 9/2/25