Get to Know Us
Meet the passionate individuals driving STEMise's mission forward!
Ryan Ahn
Executive Director
My name is Ryan Ahn, a junior from South Korea, and I am the Founder and Executive Director of STEMise. I am passionate about biology and any related areas. This year, I plan to guide my fellow executives and members to achieve the utmost success for the organization and to expand and scale STEMise globally!
Hyunjun Yi
Deputy Executive Director
STEMise and I began our journey in a small café during early winter of 2025. Driven to make STEM education accessible to everyone, a café conversation turned into a real plan: make hands-on STEM learning accessible beyond privileged classrooms. Now, as Deputy Executive Director, I lead partnerships and execution across our global team.
Landon Mahler
Chief of Staff
Hi Everyone! My name is Landon Mahler and I am the Chief of Staff for STEMise. I am a junior in Idaho and am passionate about business, specifically strategic business management. I’m actively involved in several non profits, and am the President of my school’s DECA club. I’m so excited to help expand STEM accessibility around the world with STEMise!
Harry Honig
Head of Operations
Harry Honig Leads STEMise's operations, building systems that enable chapter growth and global coordination. Oversees workflows, onboarding, and cross-team execution to ensure programs run efficiently and scale sustainably, supporting the organization's mission to expand access to STEM and AI education.
Lucia Adams
Head of Technology
Hello! I’m Lucia Adams. I’m the Head of Technology at STEMise, where I design, build, and manage our website and database systems. My work focuses on keeping our platforms reliable, accessible, and centered on the students who rely on them to learn, collaborate, and grow through our STEM programs & kits.
Devansh Bhalla
Head of Marketing
Hi! My name is Devansh, and I'm the Head of Marketing at STEMise. I lead graphic design and marketing strategy, collaborating with my team to build a cohesive media kit that attracts and engages future audiences. Outside of STEMise, I'm active in DECA and enjoy UI design, game development, roller coasters, adventure travel, and experiences.
Marisa Martignon
Head of Education
I'm Marisa "Risa" Martignon, a junior from Italy. At STEMise, I help design and approve the curriculum, drawing on experience from robotics coaching and tutoring. I enjoy building lessons that feel approachable yet challenging, encouraging curiosity and problem-solving. I've fenced since I was 7, I'm an energy drink connoisseur, and I'm passionate about cognitive science, maths, and education.
Mukil Siva
Head of Outreach
Hey! I'm Mukil, the Head of Outreach at STEMise. I'm passionate about making STEM education engaging and accessible for students worldwide, with a strong interest in biotechnology and emerging technologies like AI. Through outreach, I work to connect communities, expand STEMise's impact, and inspire curiosity, innovation, and lifelong learning in STEM.
Rishi Shah
Head of Finances
Rishi is a junior at Wakeland High School with a strong background in finance and strategic management. He placed 2nd nationally out of 201 competitors in BPA's Financial Portfolio Management and ranked #1 in the Southern Region for DECA, qualifying for ICDC 2026. He built an algorithmic trading system with a 225% CAGR and serves as STEMise Finance Officer today.