Critical Mass is looking for an exceptional VP, Strategy to lead strategic initiatives across a dynamic portfolio of premium brands and accounts spanning performance marketing, brand building, and customer experience domains.  In this role, you'll operate at a high level across both brand and performance disciplines driving strategic excellence. This is an opportunity to work with some of the world's most recognizable brands, engage with clients, think strategically across channels, and build strong collaborative relationships.

Please note- this role is open to New York only and remote work is not an option.

You Will:

• Develop and articulate compelling strategic recommendations grounded in data and insights, ensuring these recommendations and address client business objectives across paid media, brand positioning, and customer engagement
• Partner with senior clients, serving as a trusted strategic advisor and able to confidently engage in robust discussions and defend strategic rationale
• Collaborate with media teams, creative partners, and account management to ensure integrated strategy execution and alignment across all disciplines

You Have:

• Proven strategic experience at a VP or Group Director level in advertising or marketing agency setting, or related field
• Proven success managing complex, high-stakes client relationships with senior stakeholders
• Strong experience with performance media platforms, DSPs, and data-driven marketing strategy
• Deep capability in both performance marketing strategy and brand strategy; ability to balance short-term performance needs with long-term brand equity
• Strong ability to articulate strategy clearly, defend recommendations with compelling rationale, and guide clients toward optimal solutions
• Experience working effectively with media, creative, and account teams in an IAT environment and the ability to align disciplines around shared strategic objectives
• Comfort operating across different client types, business models, and strategic challenges
• Ability to synthesize complex information and develop clear, actionable strategic recommendations
• Comfort moving between big-picture strategy and tactical execution
• Problem-solving mindset and intellectual rigor

Nice to Have:

• Experience with premium/luxury brands and/or performance-critical accounts
• Background with large multinational brands
• Media planning or buying experience

What We Offer:

• Global maternity and parental leave
• Competitive benefits packages
• Vacation, Flex days, and sick days
• Access to online services for families and new parents
• Summer Fridays (off at 3:00 PM local time every Friday)
• 12 Affinity Groups
• Internal learning and development programs
• Enterprise-wide employee discounts

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 in the Calgary office for a minimum of 3 days a week.

We are seeking an Associate Media Director to be hands-on in planning and activation for both online and offline strategies for a new client in the B2B space. The Associate Director is responsible for driving media strategy and ensuring the program meets client objectives and KPIs. The Associate Director will partner with clients and agency partner teams to develop strategy and tactical plans to execute media most effectively across core digital media tactics including search, social, display, programmatic video as well as integrate and execute strategy for key offline channels as needed. The Associate Director is accountable for working with the team to ensure performance is hitting KPIs and meeting client goals, providing oversight as necessary. Proven excellence and experience in digital media required.

You Will:

• Responsible for gathering the research and data needed to formulate strategic plans that will grow client business
• Lead client relationship as day-to-day contact and partner agencies (where applicable) by ensuring a seamless communication process
• Coordination of streamlining omni-channel strategies with key partners
• Responsible for presenting strategic recommendations, soliciting feedback and ensuring team can execute on strategy to effectively hit goals
• Reports to Media Director, but acts as key day-to-day account lead over team
• Actively contribute to account strategy, including annual budget development, KPIs, partner selection, new tactics, and tracking industry developments.
• Develop skills by participating in ongoing training, workshops, etc.
• Support in any new business pitches and related work as required
• Mastery of all relevant tools for reporting, analytics and competitive analysis
• Responsible for timely response to daily communication regarding campaign level inquiries (client, vendors, internal)
• Maintain professional, productive rapport with sales representatives/media vendors

You Have:

• Bachelor’s Degree required
• Strong Understanding of media landscape
• 5+ years of hands-on media management experience in online advertising with a focus on performance
  • In-depth experience with Search, Social, and/or Programmatic channels is a must
  • Understanding of activation & optimization techniques across self-serve performance platforms a must
• 2+ years of demonstrated success in managing and leading people
• Proven ability to lead and manage teams
• Technically strong quantitative skills, including analytical abilities and math proficiency
• Demonstrated critical thinking and problem solving abilities
• Solid verbal and written communication skills, with polished presentations skills a must
• Ability to work successfully with teams on multiple projects under tight deadlines
• Desire to work in an industry which is constantly evolving and presenting new and unique challenges
• Ability to sell ideas clearly and deliver values
• Knowledge of offline media planning is a plus
• Experience in marketing for both brand-building and direct response initiatives

What We Offer: 

• Global maternity and parental leave 
• Competitive benefits packages
• Vacation, compassionate leave, wellness days, and flex days
• Access to online services for families and new parents
• Early Dismissal Friday’s (off at 3:00 PM local time every Friday)
• 13 affinity groups
• Internal learning and development programs
• 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.

Critical Mass is hiring an Account Manager to join our team on ArtBot!  ArtBot is a next-generation content orchestration platform, combining creative and performance engineering with AI-driven technology to unlock automation and performance at scale. We specialize in data-driven, personalized creative across digital channels, helping clients realize the full value of Dynamic Creative Optimization (DCO).

Join a dynamic team at the intersection of creative, media, and technology, where your work directly shapes client success and the future of content delivery.

You Will:

• Take ownership of a roster of clients, building and managing trusted agency and client relationships across a variety of verticals (with a strong presence in automotive).
• Act as the primary point of contact for DCO campaigns, ensuring seamless, timely, and high-quality project delivery from concept to completion.
• Collaborate closely with internal teams—including activation, strategy, development, and design—to translate client needs into clear, actionable deliverables.
• Submit and manage workflow through internal ticketing systems (Hive), ensuring tasks are resourced and tracked effectively.
• Mentor and support junior account managers, delegating work and fostering professional growth within the team.
• Oversee and uphold rigorous quality assurance standards, ensuring all deliverables meet client expectations and ArtBot’s high standards.
• Analyze campaign performance data, identify optimization opportunities, and provide clients with actionable insights.
• Participate in account financial management, including monitoring billing, securing POs, and identifying upsell or cross-sell opportunities.

You Have:

• Proven experience (2+ years) in account management or a similar client-facing role within digital media, creative, or project management environments.
• Strong understanding of digital media landscapes and technical campaign launches, or media planning/activation experience.
• DCO (Dynamic Creative Optimization) experience is a must have.
• Excellent communication and relationship management skills, both internally and externally.
• Analytical skills with the ability to interpret data, use pivot tables, and identify optimization opportunities.
• Exceptional attention to detail and organizational skills, ensuring accuracy and confidence in all deliverables.
• Experience mentoring, training, or overseeing junior team members and delegating work effectively.
• A collaborative, proactive approach and comfort working cross-functionally with diverse teams.
• High level of initiative, adaptability, and a genuine passion for delivering client success.

What We Offer:

• Global maternity and parental leave
• Competitive benefits packages
• Vacation, Flex days, and sick days
• Access to online services for families and new parents
• Summer Fridays (off at 3:00 PM local time every Friday)
• 12 Affinity Groups
• Internal learning and development programs
• Enterprise-wide employee discounts

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 in our New York office for a minimum of 3 days a week.

We are seeking an Associate Media Director to be hands-on in planning and activation for both online and offline strategies for a new client in the B2B space. The Associate Director is responsible for driving media strategy and ensuring the program meets client objectives and KPIs. The Associate Director will partner with clients and agency partner teams to develop strategy and tactical plans to execute media most effectively across core digital media tactics including search, social, display, programmatic video as well as integrate and execute strategy for key offline channels as needed. The Associate Director is accountable for working with the team to ensure performance is hitting KPIs and meeting client goals, providing oversight as necessary. Proven excellence and experience in digital media required.

You Will:

• Responsible for gathering the research and data needed to formulate strategic plans that will grow client business
• Lead client relationship as day-to-day contact and partner agencies (where applicable) by ensuring a seamless communication process
• Coordination of streamlining omni-channel strategies with key partners
• Responsible for presenting strategic recommendations, soliciting feedback and ensuring team can execute on strategy to effectively hit goals
• Reports to Media Director, but acts as key day-to-day account lead over team
• Actively contribute to account strategy, including annual budget development, KPIs, partner selection, new tactics, and tracking industry developments.
• Develop skills by participating in ongoing training, workshops, etc.
• Support in any new business pitches and related work as required
• Mastery of all relevant tools for reporting, analytics and competitive analysis
• Responsible for timely response to daily communication regarding campaign level inquiries (client, vendors, internal)
• Maintain professional, productive rapport with sales representatives/media vendors

You Have:

• Bachelor’s Degree required
• Strong Understanding of media landscape
• 5+ years of hands-on media management experience in online advertising with a focus on performance
  • In-depth experience with Search, Social, and/or Programmatic channels is a must
  • Understanding of activation & optimization techniques across self-serve performance platforms a must
• 2+ years of demonstrated success in managing and leading people
• Proven ability to lead and manage teams
• Technically strong quantitative skills, including analytical abilities and math proficiency
• Demonstrated critical thinking and problem solving abilities
• Solid verbal and written communication skills, with polished presentations skills a must
• Ability to work successfully with teams on multiple projects under tight deadlines
• Desire to work in an industry which is constantly evolving and presenting new and unique challenges
• Ability to sell ideas clearly and deliver values
• Knowledge of offline media planning is a plus
• Experience in marketing for both brand-building and direct response initiatives

What We Offer: 

• Global maternity and parental leave 
• Competitive benefits packages
• Vacation, compassionate leave, wellness days, and flex days
• Access to online services for families and new parents
• Early Dismissal Friday’s (off at 3:00 PM local time every Friday)
• 13 affinity groups
• Internal learning and development programs
• 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.

Critical Mass is seeking a results-driven Senior Account Manager to work on one of our largest automotive accounts. Based in New York, you’ll collaborate closely with internal teams and the client to deliver impactful digital solutions for a leading global brand. If you’re passionate about client partnership and driving successful campaigns, we want to hear from you.

As a Senior Account Manager, you are the client’s champion within the agency. You’re looking to flex your skills growing and managing client relationships, but you still want some direction. Good news—you’ll get strategic guidance from an Account Director or Client Partner. Client satisfaction, account revenue growth, and overall business profitability is on your shoulders—but you’re up to the challenge. Most importantly, you’ll be a leader within the agency and your clients—from mid to senior level—regard you as a trusted advisor to deliver excellent digital experiences.  This role is an initial temporary contract with a view to going permanent. 

You will:  

• Manage client relationship.  

• Own the success and satisfaction of client relationship.  

• Build relationships with senior members of client organization.  

• Own client satisfaction, targeting a 100% client reference-ability.  

• Lead digital projects and initiatives to delivery, with an emphasis on global systems and website development.  

• Create opportunities for deeper collaboration and interaction that reinforces the client’s status as an innovative participant in the creation of cutting-edge solutions.  

• Understand all disciplines to provide quality assurance of project deliverables, while maintaining best practices and solutions across functions.  

• Provide leadership, support, and ongoing guidance to team members.  

• Provide internal teams with appropriate insight into client’s strategic business initiatives.  

• Has a point of view on industry structure, trends, initiatives, and issues  

• Provide insights into organizational opportunities for cross and up-sell opportunities.  

• Oversee the development of detailed proposals and statements of work.  

• Significantly grow the client relationship in terms of revenue generated and account profitability.  

• Proactively sell and manage customer expectations and communicates project and profit risks to internal team.  

You have:  

• 4-5 years of Account Management experience specifically within digital and website based work.  

• Experience working with complex clients, delivering annual services revenues in excess of $2MM each.  

• Experience with global-scale systems  

• Extensive experience with site development, specifically involvement in large scale site design, build-out and maintenance and enhancements.  

• Proven skills as a product or category expert.  

• Demonstrated understanding of CRM, content management, analytics, digital marketing, eCommerce, and internet technologies.  

• Knowledge of programs, projects, and management processes and toolsets.  

• Demonstrated abilities in negotiation and leadership.  

• Excellent written and oral communication skills, including presentation.  

• A comprehensive and detailed knowledge of issues within e-business. 

• Excellent interpersonal skills, especially in situations involving consensus and team building.  

• Ability to handle multiple tasks simultaneously.  

• Team-oriented mindset and ability to work with remote or decentralized teams.  

• A keen sense of creative thinking and problem solving. 

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.