
Elizabeth Daniela Callejas Ruiz, MBA, PMP / Scrum Master
Project Manager Americas

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About me
Vice President Project Management
Education

Universidad del Valle de México
1995 - 1999Ingeniero TelecomunicacionesTitulation by Academic Excellence 2000 (grade point average 9.5)

Spain Business School
2019 - 2020Máster en Administración y Dirección de Empresas Digitales Empresas Digitales 8.0Activities and Societies: AT&T Mujeres en Acción AT&T Desarrollo de Talentos AT&T Agente de Cambio La gestión de una empresa hoy en día necesita de profesionales con conocimientos de dirección y administración pero también con habilidades digitales.

Universidad del Valle de México
1995 - 1999Ing en Telecomunicaciones Compras y Proyectos
Experience

Orange Business Services & Help Desk Agent
Sept 1999 - May 2003Project Manager Americas• Personnel Management• Coordination of more than 100 projects at a time for Mexico, Cuba, and Central America Region• Project delivery on time and within budget to the customer• Customer Care

Movistar Negocios / Moviles
May 2003 - Oct 2006Logistic Coordinator & Link Control• Inventory Control• Reduced debt from service providers up to 40%

LASER FIGURELLA
Nov 2006 - Dec 2007Director & Founder• Business Plan• Customer Care• Review and Cost reduction

Tellabs
Feb 2008 - Jun 2010Sr Buyer - Subcontractor Manager LATAM- Led strategic procurement and supplier management initiatives, achieving a 38% annual cost reduction in installation materials through negotiation, and process optimization.- Managed third-party vendor contracts, liability insurance, and compliance processes, ensuring alignment with corporate governance standards and risk mitigation strategies for financial and operational efficiency.- Led supplier development programs, fostering strong vendor partnerships to enhance supply chain resilience, service quality, and operational performance. Show less

Alestra
Feb 2011 - Dec 2015Developed and managed a high-value customer portfolio, driving business development, revenue growth, and market expansion through strategic account management and consultative sales solutions for corporate and government clients. - Managed and executed large-scale government and corporate projects, bid proposals and compliance with regulatory requirements, ensuring seamless project delivery and stakeholder alignment.- Led process improvement initiatives to streamline sales operations, enhance customer engagement, and implement data-driven strategies for increased efficiency.
Sales Executive for National Corporative Accounts
Mar 2015 - Dec 2015Project Manager Coordinator for Government Sector
Feb 2011 - Mar 2015

AT&T
Dec 2015 - Dec 2019Sales Operations Strategy Manager• Commercial and Customer Care face during the Scoping, Planning, Testing, and Implementation meetings for corporate projects with other business areas (Marketing, Revenue Assurance, Human Resources, Treasury) and third-party vendors.• Responsible for scope, negotiate and evaluated the new third party technology vendors

AT&T, México
Dec 2019 - Nov 2022Corporate Project Manager cPMO- Managed and executed enterprise-wide business transformation projects, executing a business process reengineering (As-Is/To-Be mapping), ensuring seamless coordination across cross-functional teams and alignment with corporate strategic objectives.- Led the design, negotiation, and implementation of strategic initiatives across commercial, customer care, marketing, revenue assurance, human resources, and treasury.- Led the evaluation, negotiation, and implementation of partnerships with third-party technology vendors to enhance process automation, customer experience, and revenue assurance, ensuring optimal alignment with business transformation goals. Show less

Citibanamex
Nov 2021 - nowVice President Project Management- Drive the Citi Banamex Finance Consent Order Transformation across legacy franchise countries, ensuring compliance with Basel III, OCC, and FRB regulations.- Act as the primary point of contact between the Transformation Head, Finance Global Transformation Team, and Legacy Franchises stakeholders, ensuring seamless collaboration and alignment across regulatory, business, and financial programs.- Design and execute a data-driven communication and reporting strategy for the Legacy Franchise Transformation Office.- Partner with stakeholders to define, refine, and implement policies and standards under the new strategies, ensuring cross-functional adoption and regulatory compliance across key finance programs and business operations. Show less
Licenses & Certifications
- View certificate

Fundamentos de la gestión de proyectos: Comunicación
LinkedInApr 2021 - View certificate

Onboarding New Hires as a Manager
LinkedInApr 2021 - View certificate

Scrum Fundamentals Certified
SCRUMstudy - Accreditation Body for Scrum and AgileSept 2020 - View certificate

Fundamentos de la gestión de proyectos ágil
LinkedInJun 2020 
Project Manager Professional PMP Number: 1652494
PMI-OC Project Management Institute Orange County ChapterJul 2013- View certificate

Los cinco pasos del proceso creativo
LinkedInJun 2020 - View certificate

Become a Manager
LinkedInMay 2021 - View certificate

Cómo liderar el cambio en tu empresa
LinkedInApr 2021 - View certificate

Make the Move from Individual Contributor to Manager
LinkedInApr 2021 - View certificate

New Manager Foundations
LinkedInApr 2021
Languages
- esEspañol
- inInglés
- itItaliano
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