A Series B Financier is an investor who provides funding to startups during their Series B round of financing. This stage typically occurs after the startup has achieved initial growth and is looking to expand further. Series B Financiers help startups scale their operations, enter new markets, and increase their market share.
Synonyms: Series B Investor, Growth Stage Financier, Expansion Stage Investor, Series B Funding Provider

Series B Financiers play a crucial role in the growth of startups by providing the capital needed to move beyond early development. Their investment helps startups hire more staff, develop new products, and expand marketing efforts, which are essential for scaling the business.
Startups seek Series B Financiers when they have proven their business model and need additional funds to accelerate growth. These financiers often include venture capital firms and sometimes strategic investors who bring not only money but also expertise and connections.
Common Series B Financiers include venture capital firms specializing in growth-stage investments. For example, a startup that has completed a successful Series A round might attract Series B funding from firms like Sequoia Capital or Accel, which focus on scaling promising companies.