Konstantina Petsini
Customer Success Manager
Athens
Summary
Customer Success and Account Management professional with over 10 years of experience managing enterprise clients across diverse industries including Retail, Oil & Gas, Pharma, Manufacturing, Finance, and Consulting. Proven track record in driving adoption, retention, and growth through data-driven customer success strategies. Combines strong commercial acumen with project management expertise and operational execution to deliver measurable business outcomes. Experienced in remote collaboration and cross-functional coordination with global teams within SaaS and Managed Services environments.
Overview
24
24
years of professional experience
2
2
Languages
Work History
Customer Success Manager – Enterprise & Global Accounts
HP Inc
10.2021 - Current
- Serve as the primary point of contact for enterprise clients, maintaining strong communication with key stakeholders and senior executives to ensure trust and strategic alignment
- Act as a trusted advisor to customers, driving adoption, renewals, and measurable business outcomes through proactive success planning
- Conducted regular account reviews to assess progress and strategize future growth opportunities for clients
- Manage the full customer lifecycle — onboarding, adoption, retention, and growth — ensuring value realization and long-term partnership success
- Directed full project lifecycle for Managed Print Services and SaaS implementations, from planning and stakeholder alignment to rollout and post-installation support, ensuring on-time, on-budget delivery and client satisfaction
- Own P&L tracking, cost optimization, and portfolio profitability while ensuring KPI and SLA performance
- Oversee daily operations to monitor incidents, service quality and process efficiency
- Delivering exceptional user experiences by consistently exceeding customer expectations in problem-solving efforts.
- Establish and refine delivery processes, enhancing collaboration between HP’s regional teams, global delivery centers, and third-party vendors across multiple geographies for seamless execution in an international environment
Enterprise Sector Account Manager
HP Inc
01.2017 - 09.2021
- Managed and developed enterprise and global customer accounts through both direct and channel sales, achieving consistent revenue growth and portfolio expansion
- Balanced high-volume transactional business with complex, project-based solution contracts, ensuring profitability and operational excellence across all engagement types
- Built and maintained strong relationships with key decision-makers and functional stakeholders, ensuring alignment between customer objectives and service delivery outcomes
- Negotiated and renewed multi-year agreements, driving retention, value realization, and account stability
- Collaborated with delivery, finance, and partner teams across multiple regions to ensure seamless project execution and post-sales continuity
- Collaborating with product teams to advocate for customer needs, ensuring alignment between customer expectations and product development efforts
- Supported business development initiatives for emerging digital and service-led solutions, contributing to market growth and customer success
Internal Sales Representative & PA to Managing Director
HP Inc
03.2013 - 12.2016
- Supported enterprise sales and account management teams through pipeline coordination, client communication, and data reporting
- Conducted market and competitive research to identify growth opportunities
- Organized executive operations, HR coordination, travel, and client events
- Conducted market research to identify trends, supporting strategic planning and informed decision-making for sales initiatives
Personal Assistant to MD – B2B Sales Administration
HP Inc
01.2011 - 02.2013
Global Sales Department Administration
Intracom Telecom
08.2008 - 12.2010
Personal Assistant to GM
Fotellis Security Systems
01.2004 - 07.2008
Corporate Customers Support
Multirama S.A.
01.2002 - 12.2003
Education
Diploma - Accounting Computerization
Vocational Training Institute
Skills
Account Ownership
Client communication
Account management
Customer lifecycle management
Project management
P&L tracking
Stakeholder alignment
SaaS implementation
Service quality monitoring
Process efficiency
Relationship building
Market research
Revenue growth
Contract negotiation
Timeline
Customer Success Manager – Enterprise & Global Accounts
HP Inc
10.2021 - Current
Enterprise Sector Account Manager
HP Inc
01.2017 - 09.2021
Internal Sales Representative & PA to Managing Director
HP Inc
03.2013 - 12.2016
Personal Assistant to MD – B2B Sales Administration
HP Inc
01.2011 - 02.2013
Global Sales Department Administration
Intracom Telecom
08.2008 - 12.2010
Personal Assistant to GM
Fotellis Security Systems
01.2004 - 07.2008
Corporate Customers Support
Multirama S.A.
01.2002 - 12.2003
Diploma - Accounting Computerization
Vocational Training Institute