Dennys Mariana Ruiz Mancera

Tools

• Python (Pandas/Matplotlib)
• Advanced Excel 
• HTML 
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• Javascript
• ABM
• Canva
• Capcut
• HubSpot
• Google Ads 
• Meta Ads
• TikTok Creative Center

soft skills

• Social Work. YWAM, Cartagena. Human and Intercultural Vision: Cultural Intelligence, Social Impact & Leadership.
• "Unleash Your Potential" Seminar. Deepak Chopra, Bogotá. Emotional intelligence applied to building unbreakable bonds of trust under pressure.
• Empowerment Life Training. Titania, Bogotá. Intensive training in leadership skills, assertive communication, and high-performance team management.
• Champion of the Intercollegiate Soccer Tournament, Villavicencio. Leadership and Competitive Discipline. An experience that strengthened my resilience, ability to work in a team under high pressure, and a strong focus on high-performance results. 

Experience

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   Customer Experience Specialist | Digital Experience & Customer Insights
  Airbnb

  April 2023 - December 2025

  • I managed the user experience in a digital environment, optimizing customer-platform interaction in projects related to Airbnb.
  • I analyzed the behavior of international users to adapt customer-centric communication strategies. 
  • I identified friction points in the customer journey, providing key insights to improve retention and experience. 
  • I applied Voice of Customer (VoC) methodologies to improve brand perception and loyalty. 
  • I participated in the continuous improvement of processes through data analysis and a focus on customer insights. 95% CSAT achieved and a 20% reduction in operational times.

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  Business Development Intern
  Philippi Prietocarrizosa Ferrero DU & Uria

  January 2024 - January 2025

  Implementation of the "Trusted Advisor" methodology for premium account retention, generating strategic input for the firm's marketing and positioning initiatives. 

   • Planning and execution of events for service promotions. 

   • Strategic database analysis.

  
  

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   Marketing Consultant (Independent)
  Mary Kay 

  2021-2024

  Creation and direction of UGC for social media platforms, transforming direct sales into engaging viual storytelling. I optimized video performance by analyznig Hook Rate and Hold Rate, adjusting scripts and editing to maximize watch time. 

  
  

  Implemented Midjourney for the design of mood boards.

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Certifications

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  VII Marketing Forum - Web Analytics and Marketing Analytics
  Santo Tomás University, Bogotá.

  2022

  Interpretation of metrics (KPIs) and user behavior to convert data into actionable insights, optimizing Growth Marketing strategies and improving CX. 

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   Integrated Marketing Communications
  IE Business School 

  2025

  Designing omnichannel strategies to create brand narratives that strengthen engagement, boost retention, and ensure a seamless customer experience across all toachpoints. 

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  Computer science applied to data and information management
  National University of Colombia, Bogotá.

  2023

  Processing and structuring of databases for precie audience segmentation, enabling customization at scale and the creation of loyalty programs. 

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Certifications

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  Supply Chain Operations
  Rutgers University, The State University of New Jersey. (Coursera)

  2024

  Aligning marketing campaigns with operational logistic capacity, guaranteeing a frictionless CX and ensuring customer satisfaction from conversion to final delivery.

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  Psychology
  University of Palermo.

  2025

  Analyzing consumer behavior to define buyer people, optimize CX, and generate emotional connections. 

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  Principle of Investment in Fixed Income Assets
  National University of Colombia, Bogotá.

  2022

  Financial analytical approach to managing budgets, mitigating risks and optimizing profitability (CAC/LTV) in digital campaigns. 

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  SEMANALISIS - Relationship between semiotics and psychoanalysis.
  National University of Colombia, Bogotá.

  2021

  Strategic decoding of symbols to enhance visual persuasion and brand narratives in advertising and UGC content. 

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Proyects

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  Focus on Social Impact Project Management | YWAM, COLOMBIA
  2017-2018

  Resilient Leadership, Cultural Intelligence, Crisis Management, Assertive Communication, Stakeholder Negotiation, Strategic Empathy, and Problem Solving. Hands-on execution skills.

  I led and coordinated community development initiatives in highly complex socio-economic environments in Colombia: 

  Adaptability and Crisis

  Stakeholder Management

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