Our Team


Our Leadership

Ivan the Angelfish is powered by dedicated student leaders and experienced mentors working together to expand our mission, strengthen local chapters, and bring nature-based experiences to communities around the world.

  • Founded in February 2025 and student-led from day one.
  • 40 chapters across 24 countries.
  • Local leaders creating lasting impact through service, education, and environmental stewardship.
  • United by one mission: improving well-being through nature.

Meet our leaders and mentors below.

Ivan the Angelfish team

Senior Leadership

The leaders directing every program, partnership, and decision across the organization.

Evan Johnson

Founder & President

Evan Johnson

Andrew Lin

COO & Founding Partner

Andrew Lin

Rahul Shrivastava

Founding Partner

Rahul Shrivastava

George Kolotouros

Founding Partner

George Kolotouros

Branch Managers

Lead operations and growth across our regional chapters.

Ashley Won

Anvi Rajput

Shrihan Thangam

Ryan Gan

Sophia Xu

Arjun Iyer

Yuhe Liu

Global Reach
Our Chapters
Ivan the Angelfish has expanded beyond California, with student and community leaders bringing therapeutic ecosystem programs to campuses and partner organizations worldwide.
United States
San Jose State University Chapter
Brings therapeutic ecosystem programs to the San Jose State University campus in San Jose, CA, connecting student volunteers with local installations and workshops.
Whitney High School Chapter
Expanding the program into Rocklin, CA through engineering-driven installations, led by a chapter leader with a strong CAD and technical background optimizing therapeutic aquarium impact in the local community.
BASIS Independent Fremont Chapter
Brings therapeutic ecosystem programs to the BASIS Independent Fremont campus in Fremont, CA, engaging students in hands-on ecology and wellness initiatives.
Cupertino Village Chapter
Expanding Ivan the Angelfish’s reach into the Cupertino community through Lynbrook High School, bringing therapeutic ecosystem programs to local seniors and students.
Southern California Chapter
Leads Ivan the Angelfish’s Southern California chapter in partnership with COAST Fish Club, leveraging their operational expertise and supply support to scale therapeutic aquarium programs throughout the region.
Archbishop Mitty Chapter
Bringing therapeutic ecosystem programs and ecological education to the San Jose community through Archbishop Mitty High School.
Milton High School Chapter
Bringing therapeutic ecosystem programs and ecological education to Milton High School in Pennsylvania, expanding Ivan the Angelfish’s East Coast presence.
Regis Jesuit High School Chapter
Bringing therapeutic ecosystem programs to Regis Jesuit High School in Colorado, expanding Ivan the Angelfish’s presence to the Mountain West.
Inland Empire Chapter
Expanding Ivan the Angelfish’s reach into the Inland Empire region of Southern California, bringing therapeutic aquarium programs to the local community.
San Diego Chapter
Bringing therapeutic aquarium programs to the San Diego community, expanding Ivan the Angelfish’s presence across Southern California.
New York Chapter
Bringing therapeutic ecosystem programs to New York, expanding Ivan the Angelfish’s East Coast presence.
Dayton, New Jersey Chapter
Bringing therapeutic ecosystem programs to Dayton, New Jersey, expanding Ivan the Angelfish’s reach across the tri-state area.
Morris County, New Jersey Chapter
Bringing therapeutic ecosystem programs to Morris County, New Jersey, expanding Ivan the Angelfish’s presence across the Garden State.
Virginia Chapter
Bringing therapeutic aquarium programs to Virginia, expanding Ivan the Angelfish’s reach across the Mid-Atlantic region.
Cerritos, California Chapter
Bringing therapeutic ecosystem programs to Cerritos, CA, expanding Ivan the Angelfish’s global network.
Lower Manhattan, New York Chapter
Bringing therapeutic ecosystem programs to Lower Manhattan, New York, expanding Ivan the Angelfish’s global network.
North Carolina Chapter
Bringing therapeutic ecosystem programs to North Carolina, expanding Ivan the Angelfish’s global network.
McDonough, Georgia Chapter
Bringing therapeutic ecosystem programs to McDonough, Georgia, expanding Ivan the Angelfish’s global network.
Dublin, California Chapter
Bringing therapeutic ecosystem programs to Dublin, CA, expanding Ivan the Angelfish’s global network.
International
Japan Chapter
Introduces aquascaping-based wellness programs to the Okayama community in Japan, building on a strong local aquarium hobbyist culture.
Tver, Russia Chapter
Expanding partnerships with schools across the Tver region of Russia, bringing therapeutic aquarium and ecological education programs to students.
Greece Chapter
Has run terrarium-based wellness programs with elders in Ilioupoli, bringing the program’s senior care model to a new region.
India Chapter
Working toward a future terrarium installation in partnership with Ayurvedamrut Wellness Center, based in Amritsar, Punjab, with an additional clinic in Los Gatos, promoting holistic, medication-free wellness.
China (Hong Kong) Chapter
Bringing therapeutic aquarium programs to Hong Kong, connecting communities with nature-based wellness through Ivan the Angelfish’s international network.
Nigeria Chapter
Expanding Ivan the Angelfish’s international presence to Nigeria, bringing therapeutic aquarium and ecological wellness programs to new communities.
Italy Chapter
Bringing therapeutic ecosystem programs to Southern Italy, with a terrarium already donated and installed, marking Ivan the Angelfish’s first presence in the country.
Sweden Chapter
Bringing therapeutic aquarium programs to Sweden, expanding Ivan the Angelfish’s reach across Scandinavia.
Switzerland Chapter
Expanding Ivan the Angelfish’s therapeutic ecosystem programs into Switzerland, connecting communities with nature-based wellness initiatives.
West Africa Chapter
Expanding Ivan the Angelfish’s mission to West Africa, bringing therapeutic ecosystem programs to Gombe, Gombe State.
Australia Chapter
Launching Ivan the Angelfish’s first Australian chapter, bringing therapeutic aquarium programs Down Under starting November 2026.
Penza, Russia Chapter
Expanding Ivan the Angelfish’s presence in Russia to Penza, bringing therapeutic aquarium and ecological education programs to the local community.
Venezuela Chapter
Bringing therapeutic aquarium programs to Venezuela, expanding Ivan the Angelfish’s reach across South America.
Sao Paulo, Brazil Chapter
Bringing therapeutic aquarium programs to Sao Paulo, expanding Ivan the Angelfish’s reach across South America.
New Brunswick, Canada Chapter
Expanding Ivan the Angelfish’s reach into Canada, bringing therapeutic ecosystem programs to the New Brunswick community.
Toronto, Canada Chapter
Expanding Ivan the Angelfish’s presence in Canada to Toronto, bringing therapeutic aquarium and ecological wellness programs to the community.
Ontario, Canada Chapter
Bringing therapeutic ecosystem programs to Ontario, Canada, expanding Ivan the Angelfish’s global network.
Dubai, UAE Chapter
Bringing therapeutic ecosystem programs to Dubai, UAE, expanding Ivan the Angelfish’s global network.
Herat, Afghanistan Chapter
Bringing therapeutic ecosystem programs to Herat, Afghanistan, expanding Ivan the Angelfish’s global network.
Incheon, South Korea Chapter
Bringing therapeutic ecosystem programs to Incheon, South Korea, expanding Ivan the Angelfish’s global network.
Melbourne, Australia Chapter
Bringing therapeutic ecosystem programs to Melbourne, Australia, expanding Ivan the Angelfish’s global network.
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Ariel Gomez
Chapter Lead, San Jose State University
Ariel is a current student at San Jose State University with years of leadership experience, and leads Ivan the Angelfish’s presence on campus.
Email: Argoge03@gmail.com
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Shinryokusha Shiba
Chapter Lead, Japan
Email: sousou1998lucky@icloud.com
Email: sfa.jp@outlook.jp
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Evan Johnson
Tver, Russia Chapter
Email: ivantheangelfish@gmail.com
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George Kolotouros
Chapter Lead, Greece
Email: Georgekol430@gmail.com
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Shubhangi Kapatkar
India Ambassador
Email: info@ayurvedamrut.us
Rahul Shrivastava
India Chapter Lead
Email: Rahul.Shrivastava28@bcp.org
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Sumukh Prasad
Chapter Lead, Whitney High School
Sumukh has hands-on experience in CAD and engineering, bringing a technical design background to his work expanding Ivan the Angelfish’s impact in the Rocklin community.
Email: sumukhprasad106@gmail.com
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Ishaan Jatheen
Chapter Lead, BASIS Independent Fremont
Leads Ivan the Angelfish’s campus initiative at BASIS Independent Fremont, connecting students with the natural world through environmental stewardship and community outreach.
Email: ishaan.jatheen@gmail.com
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Aamir Khan
Chapter Co-Lead, Cupertino Village
Email: emailaamir759@gmail.com
Nick Patel
Chapter Co-Lead, Cupertino Village
Email: npatel359@student.fuhsd.org
Pratyush Bhingarkar
Social Media Manager
Email: pbhingarkar178@student.fuhsd.org
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Victoria Cen
China (Hong Kong) Chapter Lead
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Zac Shue
Chapter Lead, Southern California
Zac leads Ivan the Angelfish’s Southern California chapter in partnership with COAST Fish Club, leveraging their operational expertise and supply support to scale therapeutic aquarium programs throughout the region.
Email: AquafinityChannel@gmail.com
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Shreesh Basu
Chapter Lead, Archbishop Mitty
Shreesh leads Ivan the Angelfish’s chapter at Archbishop Mitty High School, bringing therapeutic ecosystem programs and ecological education to the San Jose community.
Email: basu.shr333@gmail.com
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Zeme M
Chapter Lead, Nigeria
Email: Osazememagbagbeola@gmail.com
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Gael Grant Rios
Chapter Co-Lead, Italy
Vladimir Di Costanzo
Chapter Co-Lead, Italy
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Kendra Oppong
Chapter Lead, Milton High School
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Emma Qiao
Chapter Lead, Sweden
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Eva Cardin
Chapter Lead, Switzerland
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Dylan Livadariu
Chapter Lead, Regis Jesuit High School
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Jonathan Hernandez
Chapter Lead, Inland Empire
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Christabel Joseph
Chapter Lead, West Africa
Email: spreadtheloveoutreachmovement@gmail.com
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Ekansh Goel
Chapter Lead, Australia
Starting November 2026
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Anuj Patil
Chapter Lead, Penza Russia
Email: patilznuj0185@gmail.com
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Eduardo Portillo
Chapter Lead, Venezuela
Email: eduandres3203@gmail.com
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Ashley Ordaz
Chapter Lead, San Diego
Email: ashleyordazpuentes@gmail.com
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Ken Wada
Chapter Lead, Sao Paulo Brazil
Email: mr.ken.wada@gmail.com
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Brad Burns
Chapter Lead, New Brunswick Canada
Email: bradrburns@outlook.com
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Charlotte Au
Chapter Co-Lead, New York
Email: charlotteau15@gmail.com
Leyla Osvaldo
Chapter Co-Lead, New York
Email: leylaozbalci@gmail.com
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Swamana Rogers Jr.
Chapter Lead, Virginia
Email: rogersswamana@gmail.com
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Caleb Digings
Chapter Lead, Toronto Canada
Email: cdigings@icloud.com
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Abhinav Deveram
Chapter Lead, Dayton New Jersey
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Finn Keane
Chapter Lead, Morris County New Jersey
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Ishi Sheth
Chapter Lead, Cerritos California
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Mackenzie Tran
Chapter Lead, Lower Manhattan New York
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Siri Gudavalli
Chapter Lead, North Carolina
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Seth Barnes
Chapter Lead, McDonough Georgia
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Tooba Hajee Esmail
Chapter Lead, Dublin California
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Ngoc Quynh Tran
Chapter Lead, Ontario Canada
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Azura Lal
Chapter Lead, Dubai UAE
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Hamida Haidari
Chapter Lead, Herat Afghanistan
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Joe Chun
Chapter Lead, Incheon South Korea
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Ernest Lin
Chapter Lead, Melbourne Australia

Senior Advisors

Experienced professionals who guide our clinical and creative work.

Dr. Eugene Skalnyi
Senior Advisor
Dr. Eugene Skalnyi, M.D.

Chief Medical Officer at Meditrina, Inc. Reviews our depression research methodology and outcome data, sharpening our findings toward publication with an editor’s eye for rigor.

Faith Musembi
Senior Advisor
Faith Musembi

Producer-director at National Geographic and Disney+. Shapes how we tell our story across social content and press, bringing a documentary filmmaker’s eye to our public presence.

Dr. Kelly Mendoza
Senior Advisor
Dr. Kelly Mendoza

Nonprofit education leader with twenty years scaling youth programs, including a national digital wellbeing initiative reaching 1.2 million educators. Advises us on youth digital literacy, wellbeing, and mentorship strategy.