INTERNSHIP DETAILS

Client Services Intern

CompanyCritical Mass
LocationChicago
Work ModeOn Site
PostedFebruary 18, 2026
Internship Information
Core Responsibilities
The intern will support the Client Services Team in managing and growing client relationships by organizing status meetings, preparing presentations, documenting minutes, and coordinating logistics. Key duties include developing client relationships, representing company values, understanding service offerings, and liaising between various internal and external teams.
Internship Type
full time
Company Size
1847
Visa Sponsorship
No
Language
English
Working Hours
40 hours
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About The Company
We’re Critical Mass. We are 2,000 inspired humans across 14 offices, setting the right path—not just the next one—for our clients, their customers, and our own colleagues. We work with the best, Apple, Adobe, BMW, Nike, Diageo, Airbnb, BNY and many more, to power connected ecosystems that make brands stand out by driving performance with data, technology, AI, creative and media. We’re a global marketing agency founded in Canada, but digital is our home. If you know us, then you know we’re a special place that attracts big talent and tiny egos. We’re driven, uncompromising and we live our values. We’re Critical Mass, but our friends call us CM. Learn more at criticalmass.com.
About the Role

Critical Mass' Internship opportunities are part of our Trailhead Program and will provide a 12-week jump-start to your career. The program is a fast-track to launch your career through regular learning opportunities, mentorship, client work exposure, while also getting paid. We aim to show you all the amazing work we do here at Critical Mass, and to support you as part of the team! You will have the opportunity to try the digital agency world through multiple internship and client projects to see if it's for you! 

Our internship will run from May 26 – August 14. 


As a Client Service Intern, you support the Client Services Team to expertly manage and grow client relationships. Organizing status meetings, preparing presentations, documenting meeting minutes, coordinating meetings, travel, and expenses requires you to be thorough and detail-oriented—but you’ve got that covered. You’re eager to put your outgoing personality to the test by gaining experience in effective team communication. And you’ll grow in your role with key guidance and mentorship from Account Director(s) and Exec leaders.

You will:

  • Develop trusting relationships with clients and partner agencies.
  • Represent Critical Mass’s values and mission.
  • Begin to understand and showcase Critical Mass service offerings.
  • Organize and set agendas for weekly client meetings.
  • Assume ad-hoc requests and assist in the coordination, preparation, and promotion of projects and special events.
  • Prepare appropriate presentations and present data from varying sources.
  • Liaise with Client Services and Project Management teams.
  • Schedule meetings and facilitate meeting needs with internal teams, departments, clients, and vendors.
  • Liaise and communicate on behalf of Client Services department.
  • Coordinate between agencies regarding client information and document sharing, meeting scheduling, and communication maintenance.
  • Support Marketing and Business Development department teams as required.
  • Begin to understand financial literacy per account. 
  • Further develop digital acumen and performance marketing.
  • Grow your knowledge of digital marketing and trends in the industry. 

You have:

  • Highly proficient skills in Microsoft Office Suite, PowerPoint, and Keynote.
  • Excellent word processing skills.
  • Excellent oral and written communication skills.
  • A thorough, detail-oriented mindset where organization is prioritized.
  • Ability to multi-task and meet tight deadlines.
  • Ability to work well under stress and in a dynamic environment.
  • An outgoing, self-motivated, and assertive personality.
  • Good balance between working independently and working with a team.
  • Effective interpersonal skills and the ability to be a global thinker.
  • Ability to proactively and diligently follow up with teams.
  • Good use of tact and judgment.
  • In your second or third year of university study or the first year of a two-y ear educational program.

 

What We Offer

  • Vacation, compassionate leave, wellness days, and flex days
  • Hybrid work options
  • Summer Fridays (off at 3:00 PM local time every Friday)
  • Diversity and Inclusion Board with 13 affinity groups
  • Enterprise-wide employee discounts

 

The Talent Team at Critical Mass is focused on ensuring we provide the best training, onboarding, and employee experience possible! Our new hires & employees are the future of our organization, and we want to set you up for long-term success. In an effort to do so, we expect our team to work from an office a minimum of 3 days a week. The ask stems from our want to:


Strengthen opportunity for continuous learning.
Improve collaboration and team relationships.
Increase employee engagement.

 

We continually review ranges to address skills, experience and markets. Base salaries are determined during our interview process, by assessing a number of factors that include, but aren’t limited to, a candidate’s experience and skills relative to the scope and responsibilities of the position. For current CM employees, tenure will also be a consideration.
Salary Range
$21$21 USD

Critical Mass is an equal opportunity employer. 

Critical Mass uses artificial intelligence in our recruitment process to enhance job postings, filter keywords during the review of prospective candidates, and, in some cases, transcribe interviews with our recruiters. Human review remains central to the process, and all hiring decisions are ultimately made by our team.

The Critical Mass Talent Acquisition team will only communicate from email addresses that use the URLs criticalmass.com, omc.com and us.greenhouse-mail.io. We will not use apps such as Facebook Messenger, WhatsApp, or Google Hangouts for communicating with you. We will never ask you to send us money, technology, or anything else to work for our company. If you believe you are the victim of a scam, please review your local government consumer protections guidance and reach out to them directly.

If U.S. based: https://www.consumer.ftc.gov/articles/job-scams#avoid
If Canada based: https://www.canada.ca/en/services/finance/consumer-affairs.html
If U.K. based: https://www.gov.uk/consumer-protection-rights
If Costa Rica based: https://www.consumo.go.cr/educacion_consumidor/consejos_practicos.aspx 

Key Skills
Microsoft Office SuitePowerPointKeynoteWord ProcessingOral CommunicationWritten CommunicationDetail-OrientedOrganizationMulti-taskingMeeting DeadlinesTeam CommunicationSelf-MotivatedAssertivenessInterpersonal SkillsFollow UpTact
Categories
ConsultingMarketingAdministrativeCreative & Media
Benefits
VacationCompassionate leaveWellness daysFlex daysEmployee discounts