The company

We are a leader in mobile technology, providing innovative solutions to 1.2 billion consumers. In an ever-increasing digital world we help businesses grow their digital reach & toolkits to optimize user experience, increase engagement, attract new customers and boost their revenues.

Think of performance marketing but on steroids as our top-notch marketeers and engineers build digital journeys through an omnichannel marketing approach like no other. Currently we work with the biggest names in Telco, Insurance, Education, FMCGs and Retail in over 45 countries in Latin America, Africa, the Middle East and South-East Asia.

The role

We are seeking an experienced and detail-oriented Executive Assistant to support the Chairman in managing strategic, operational, and administrative priorities. This role requires exceptional organizational capability, strong business acumen, and familiarity with mobile network operators (MNOs) and emerging markets. The ideal candidate will have a proven track record supporting senior executives in fast-paced, multinational environments and will play a critical role in ensuring the Chairman’s effectiveness and productivity across all business engagements.

The successful candidate will demonstrate excellent judgment, strong communication skills, and the ability to anticipate needs, manage complex workflows, and engage confidently with internal and external stakeholders.

Key Responsibilities

• Provide comprehensive executive support to the Chairman, including agenda management, strategic scheduling, meeting preparation, and international travel coordination.
• Serve as a key liaison between the Chairman and senior leaders, partners, and external stakeholders
• Prepare briefing materials, presentations, reports, and follow-up actions to support strategic decision-making.
• Manage confidential information with the highest level of professionalism, discretion, and integrity.
• Coordinate and support the Chairman’s involvement in commercial initiatives, strategic reviews, and high-level negotiations.
• Track and manage priorities, deadlines, and cross-functional actions to ensure timely execution.
• Research markets, partners, and competitive landscapes to support the Chairman’s engagements.
• Ensure seamless communication flow across the Chairman’s office and the wider organization.

• 8+ years of experience driving B2B sales, business development, and account management in mobile marketing, digital advertising, or telecommunications, with experience working alongside senior leadership in fast-moving global companies.
• Understanding of mobile network operators (MNOs), telecommunications, or digital services—ideally with exposure to emerging markets.
• Proven ability to work closely with C-level executives and senior decision-makers.
• Exceptional organizational skills with a rigorous, detail-oriented approach and the ability to manage multiple priorities simultaneously.
• Strong business judgment, professionalism, and the ability to handle sensitive information with discretion.
• Proactive and resourceful mindset, capable of anticipating needs and taking initiative.
• Ability to operate effectively across cultures and manage relationships.
• Bachelor’s degree required; advanced degrees or certifications are a plus.

We offer a competitive base salary and benefits, directly dependent on the candidate’s qualifications and skills. The real excitement comes from working closely with a dynamic, smart, agile and highly motivated team in a competitive and fast paced environment.

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Upstream is an equal opportunity employer. The Company does not discriminate on the basis of race, colour, creed, pregnancy, religion, gender, national origin, age, disability, marital, or any other legally protected status. The Company also makes reasonable accommodations for disabled employees. Finally, the Company prohibits the harassment of any individual based on their protected status. This policy applies to all areas of personnel actions including recruitment, hiring, training, promotion, compensation, benefits, transfer, and social and recreational programs.