About
On Key Off Site
Strengthening Teams Through Music
At On Key Off Site, we believe that music is a powerful tool for connection, collaboration, and confidence-building. Our choir-style team-building sessions bring colleagues together in a unique and creative way—whether at the office, during retreats, or at company events.
Workplaces thrive on strong communication and teamwork, but how often do teams truly bond beyond the daily workflow? Our sessions provide an energizing, pressure-free environment where everyone, regardless of musical experience, can connect, harmonize, and work toward a shared goal.
Why teams love this experience
Encourages collaboration & communication in a creative setting
Breaks down barriers, helping colleagues bond on a deeper level
Gives teams a boost in energy, confidence & motivation
Provides a memorable experience that teams talk about long after the session
Whether your team sings in the shower or has never sung before, everyone leaves feeling connected, inspired, and uplifted.
Meet The Founder
Stefano Minder – Founder, Creative Director & Performer
With a Master’s degree in Jazz Composition and Performance from the Prince Claus Conservatoire in Groningen, Netherlands, and a Bachelor’s degree in Jazz Vocals from Saint Louis Music College in Rome, Italy, Stefano Minder has built a career that bridges the worlds of music performance, vocal coaching, and corporate training.
Stefano created On Key Off Site to combine his passions: music, creativity, and team-building, offering unique choir-style workshops that foster collaboration and connection through the power of singing.
As an internationally recognized performer, singer-songwriter, and music educator, he has performed on stages across Europe and beyond. His experience in both the music industry and corporate world gives him a deep understanding of how music can transform teams and strengthen bonds. His academic background includes:
M.A. of Jazz Composition and Performance - Prince Claus Conservatoire in Groningen, Netherlands (2019 - 2021)
B.A. of Jazz Vocals - Saint Louis Music College in Rome, Italy (2014 - 2017)
Connect with Stefano on LinkedIn
‘‘The voice is an all-powerful instrument, capable of expressing deep feelings that perhaps no other musical instrument can do. It is directly connected with the soul and becomes the audible expression of it. It converts the invisible to the visible, creates new sounds and colors, transforms emotions into music. The voice is a tool to discover, subject to continuous evolution and expansion; expansion that goes beyond our imaginable limits.’’
— Stefano Minder
Meet Stemin – The Artist Behind On Key Off Site
While Stefano Minder is the visionary behind On Key Off Site, he is also an internationally recognized singer, songwriter, and performer known by his stage name, Stemin.
As Stemin, he blends soulful vocals, electronic beats, and emotional storytelling to create a unique and immersive sound. Often described as The Weeknd—but queer, his music explores themes of queer identity, love, empowerment, and self-expression—resonating with audiences around the world.
Stemin has released three critically praised albums: #tellyourheart (2020), Unspoken Dreams (2022), and his latest work Tales of a Gay Romance (2025), a bold celebration of queer love and vulnerability.
His work has been featured in numerous international publications, including AllMusic, Extravafrench, Perspective, Plasticmag, Music News, and winq.nl, with The Musical Hype calling his sound “beaming with pride” and Perspective praising his music as “a seductive journey into connection.”
Listen to his music below:
GET IN TOUCH
Interested in this unique experience? Fill out some info and we will be in touch shortly. We can’t wait to hear from you!