Stefani Muklenova — Customer Success Manager
Principal Customer Success Manager with 14+ years at Progress Software, driving customer success for strategic enterprise and mission-critical customers across their lifecycle. Proven track record of managing high-value portfolios ($4M+ Renewal ARR) with a strong focus on retention, customer satisfaction, customer health, and long-term value realization. Recognized for leading complex, high-impact customer situations and aligning cross-functional teams across Sales, Support, Engineering, Product, and Professional Services to deliver consistent, high-quality customer success outcomes. Trusted partner to customers and internal stakeholders, with strong executive engagement and a focus on building long-term relationships. Operating within a Sales-aligned organization, actively contribute to revenue growth by identifying expansion opportunities, generating qualified leads, and partnering with Account Managers to support deal progression and successful close. Beyond customer delivery, actively contribute to team growth and organizational effectiveness by mentoring, providing onboarding support, and participating in hiring and talent development initiatives.
Stackforce AI infers this person is a Customer Success Manager in the SaaS industry.
Location: Sofia, Bulgaria
Experience: 14 yrs
Skills
- Customer Success
- Leadership
- Account Management
- Technical Support
- Customer Service
Career Highlights
- 14+ years in Customer Success management.
- Proven track record with $4M+ Renewal ARR.
- Expert in aligning cross-functional teams.
Work Experience
Progress Software
Customer Success Supervisor (0 mo)
Principal Customer Success Manager (2 yrs 2 mos)
Senior Customer Success Manager (7 yrs 5 mos)
Customer Success Manager (3 yrs)
Manager Technical Support (1 yr)
Team Lead (2 mos)
Enterprise Support Officer (11 mos)
Junior Enterprise Support Officer (5 mos)
Support Officer (4 mos)
Junior Support Officer (11 mos)
Education
Computer Science at Telerik Academy
Bachelor's degree at Technical University of Sofia
Master's degree at University of National and World Economy