Marketing Business Development Intern

Role Description : Marketing Business Development Intern

For Fall 2025 / Winter 2026, Protobrand is seeking an enthusiastic and talented student or recent graduate with an interest in marketing, business development, and market research who wants to gain real-world experience.

We are looking for a motivated and detail-oriented intern to support our Marketing and Business Development teams, with a focus on email operations, lead follow up, sourcing, marketing and event support. Reporting to our Marketing Manager, this internship is a great opportunity to gain hands-on experience with tools like

HubSpot

and Apollo, and create real business outcomes.

We partner with well-known brands such as Colgate-Palmolive, Kraft Heinz, Hulu, Shell, and more to offer game-changing insights through AI + Behavioral Science. If you are interested in business development and marketing, with a willingness to create new opportunities, we'd love to hear from you!

This is a paid, full-time internship. Boston office.

Fall 2025 / Winter 2026

Key Responsibilities :

Marketing & Sales Support :

Chase new business opportunities via email and LinkedIn, rekindling past client relationships and securing meetings for the sales team.

Assist in creating and managing HubSpot email sequences for account-based marketing campaigns, engaging target clients and nurturing relationships.

Track email and campaign engagement metrics, including opens, replies, and meetings, to measure outreach effectiveness.

Support logistics and communications for events and conferences, including pre-event planning and post-event follow-up.

Help collect and organize case study materials and other sales enablement resources.

Assist with LinkedIn posting and social media scheduling as needed to support marketing initiatives.

CRM Support (HubSpot) :

Assist with maintaining and organizing CRM data to ensure accuracy and completeness.

Help clean up data, including removing bounced emails and identifying missing fields (e.g., Tier, Industry, Company Owner).

Utilize integrations like Apollo with guidance from the team.

Take advantage of the HubSpot Academy to develop skills and troubleshoot with HubSpot support when needed.

About You :

Pursuing a Bachelor's Degree in marketing, business, communications, or related field

Ability to commute to our office in Boston's South End

Experience with HubSpot (nice to have)

What You'll Gain :

Hands-on experience with industry-standard tools (HubSpot, Apollo).

A deeper understanding of how sales and marketing teams operate and collaborate.

Exposure to CRM best practices, as well as cutting-edge AI technology and market research solution offerings

Opportunity to create real business impact in a supportive, fast-paced environment.

What do people say about working at Protobrand?

"One of the most enjoyable aspects of working at Protobrand is its high flexibility and agility. The friendly and empathetic atmosphere, along with wonderful teammates, makes the work truly enjoyable. It's also very motivating to see the direct and indirect impact of your efforts."

"My favorite part of working at Protobrand is getting to work with a truly international group of people who bring unique perspectives to the work we do allows us to bring out a level of insight from our research that I have not seen anywhere else."

"Working alongside such sharp, creative minds makes every challenge more exciting and every win more rewarding. It's the kind of teamwork that turns good ideas into great ones."