Private foundation · Boulder, CO
Seisolo Foundation
Typical grant size
$8K – $25K – $50K
25th · median · 75th percentile
Unique recipients
7
Repeat grantees
6
funded 2+ years
Application procedures · from 2024 990-PF
Leadership · from 2024 990-PF
Marion Thurnauer
PRESIDENT/TREAS
Alexander Trifunac
SECRETARY
Source: IRS Form 990-PF, Part VII. Officers, directors, and trustees as reported by the foundation.
Payout rate · TY 2023
17.2%
grants paid ÷ assets · ~5% IRS minimum
'16
'17
'18
'19
'20
'21
'22
'23
100
Total grants awarded
$7.8M
Total amount
$78K
Average grant
$3.7M
Largest grant
Giving by year
2024
$4.4M
11 grants
2023
$740K
11 grants
2022
$685K
12 grants
2021
$605K
14 grants
2020
$430K
12 grants
2019
$365K
12 grants
2018
$251K
11 grants
2017
$199K
9 grants
2016
$113K
8 grants
Top recipients
Renaissance Charitable Foundation Inc Fbo Seisolo Charitable Fund
1 grant · IN
$3.7M
Boulder Bach Festival
7 grants · CO
$850K
7 grants · CO · ✓ Exact match
$648K
Columbia University Trifunac-thurnauer Fund
3 grants · NY
$600K
28 grants · NY
$563K
Colo Music Festivalctr for Musical Arts
8 grants · CO
$404K
5 grants · IL · ✓ Exact match
$250K
Colorado Music Festivalctr Musical Arts
4 grants · CO
$200K
Boulder Philharmonic Orchestra Education
3 grants · CO
$150K
3 grants · IL · ✓ Exact match
$150K
Recipient names are as reported on the 990-PF. ✓ Exact match = EIN matched to IRS records by exact name + state; ≈ likely match = EIN inferred from a closely similar name. The recipient EIN is never stated on the form — it is DoubleNine’s match.
Recent grants · most recent filings first
Renaissance Charitable Foundation Inc Fbo Seisolo Charitable Fund
TRANSFER OF ALL ASSETS TO THE DONOR ADVISED FUND.
IN · TY 2024
$3.7M
Columbia University Trifunac-thurnauer Fund
SCHOLARSHIP FUND TO SUPPORT STUDENTS PURSUING MAJORS WITHIN THE DIVISION OF NATURAL SCIENCES, WITH A PREFERENCE FOR CHEM…
NY · TY 2024
$200K
University of Colorado Foundation
GIFT DESIGNATED TO INCREASE THE ENDOWMENT OF NORIS GRADUATE STUDENT AWARDS FUND. PROVIDES SUPPORT FOR AWARDS TO GRADUATE…
CO · TY 2024
$200K
Boulder Bach Festival
SUPPORT FOR BOULDER BACH FESTIVAL CONCERTS AND EDUCATIONAL PROGRAMMING (STUDENTS RANGE FROM GRADE SCHOOL THROUGH ADULTS)…
CO · TY 2024
$150K
Colo Music Festivalctr for Musical Arts
HEARTSTRINGS PROGRAM ENSURES THAT EVERY STUDENT IS ABLE TO ACCESS MUSIC STUDY AND PERFORMANCE. SPECIFICALLY, A COMBINATI…
CO · TY 2024
$60K
Colo Music Festivalctr for Musical Arts
THE FESTIVAL FELLOWS PROGRAM SUPPORTS THE GOAL OF ADDRESSING THE ISSUE OF UNDERREPRESENTATION OF PEOPLE OF COLOR IN CLAS…
CO · TY 2024
$60K
Boulder Philharmonic Orchestra Education
SUPPORT COMMUNITY OUTREACH TO YOUNG STUDENTS (PRESCHOOL THROUGH HIGH SCHOOL) THROUGH IN-SCHOOL MUSIC EDUCATION AND THE D…
CO · TY 2024
$50K
Community Food Share
MISSION TO BE A LEADER IN ENDING HUNGER IN BOULDER AND BROOMFIELD COUNTIES, COLORADO
CO · TY 2024
$10K
Colorado Arcs (achievement Rewards for College Scientists)
SCHOLARSHIP TO DESERVING SCIENCE, ENGINEERING, OR MEDICAL STUDENTS AT ONE OF THE COLORADO UNIVERSITIES THAT ARCS SUPPORT…
CO · TY 2024
$8K
St Paul Central Hs Scholarship Fund
TO PROVIDE POST- HIGH SCHOOL SCHOLARSHIPS FOR LOW-INCOME STUDENTS.
MN · TY 2024
$8K
Our (outreach United Resource) Center
MISSION TO HELP PEOPLE MOVE TOWARD SELF-SUFFICIENCY BY UNIFYING COMMUNITY RESOURCES.
CO · TY 2024
$5K
University of Colorado Foundation
GIFT DESIGNATED TO INCREASE THE ENDOWMENT OF NORIS GRADUATE STUDENT AWARDS FUND. PROVIDES SUPPORT FOR AWARDS TO GRADUATE…
CO · TY 2023
$200K
Columbia University Trifunac-thurnauer Fund
SCHOLARSHIP FUND TO SUPPORT STUDENTS PURSUING MAJORS WITHIN THE DIVISION OF NATURAL SCIENCES, WITH A PREFERENCE FOR CHEM…
NY · TY 2023
$200K
Boulder Bach Festival
SUPPORT FOR BOULDER BACH FESTIVAL CONCERTS AND EDUCATIONAL PROGRAMMING (STUDENTS RANGE FROM GRADE SCHOOL THROUGH ADULTS)…
CO · TY 2023
$150K
Colo Music Festivalctr for Musical Arts
HEARTSTRINGS PROGRAM ENSURES THAT EVERY STUDENT IS ABLE TO ACCESS MUSIC STUDY AND PERFORMANCE. SPECIFICALLY, A COMBINATI…
CO · TY 2023
$50K
Boulder Philharmonic Orchestra Education
SUPPORT COMMUNITY OUTREACH TO YOUNG STUDENTS (PRESCHOOL THROUGH HIGH SCHOOL) THROUGH IN-SCHOOL MUSIC EDUCATION AND THE D…
CO · TY 2023
$50K
Colo Music Festivalctr for Musical Arts
THE FESTIVAL FELLOWS PROGRAM SUPPORTS THE GOAL OF ADDRESSING THE ISSUE OF UNDERREPRESENTATION OF PEOPLE OF COLOR IN CLAS…
CO · TY 2023
$50K
Doctors Without Borders
DOCTORS WITHOUT BORDERS BRINGS MEDICAL CARE TO PEOPLE AFFECTED BY CONFLICT, DISASTERS, EPIDEMICS, AND SOCIAL EXCLUSION.
NY · TY 2023
$10K
Community Food Share
MISSION TO BE A LEADER IN ENDING HUNGER IN BOULDER AND BROOMFIELD COUNTIES, COLORADO
CO · TY 2023
$10K
St Paul Central Hs Scholarship Fund
TO PROVIDE POST- HIGH SCHOOL SCHOLARSHIPS FOR LOW-INCOME STUDENTS.
MN · TY 2023
$8K
Colorado Arcs (achievement Rewards for College Scientists)
SCHOLARSHIP TO DESERVING SCIENCE, ENGINEERING, OR MEDICAL STUDENTS AT ONE OF THE COLORADO UNIVERSITIES THAT ARCS SUPPORT…
CO · TY 2023
$8K
Our (outreach United Resource) Center
MISSION TO HELP PEOPLE MOVE TOWARD SELF-SUFFICIENCY BY UNIFYING COMMUNITY RESOURCES.
CO · TY 2023
$5K
Columbia University Trifunac-thurnauer Fund
SCHOLARSHIP FUND TO SUPPORT STUDENTS PURSUING MAJORS IN THE WITHIN THE DIVISION OF NATURAL SCIENCES, WITH A PREFERENCE F…
NY · TY 2022
$200K
Boulder Bach Festival
SUPPORT FOR BOULDER BACH FESTIVAL CONCERT AND EDUCATIONAL PROGRAMMING. THE FUNDS WILL BE USED FOR PROGRAMMING THAT CAN B…
CO · TY 2022
$150K
University of Colorado Foundation
GIFT DESIGNATED TO INCREASE THE ENDOWMENT OF NORIS GRADUATE STUDENT AWARDS FUND. PROVIDES SUPPORT FOR AWARDS TO GRADUATE…
CO · TY 2022
$100K
Colo Music Festivalctr for Musical Arts
HEARTSTRINGS PROGRAM ENSURES THAT EVERY STUDENT IS ABLE TO ACCESS MUSIC STUDY AND PERFORMANCE. SPECIFICALLY, A COMBINATI…
CO · TY 2022
$50K
University of Chicago
GIFT TO ESTABLISH AND ENDOW LISELOTTE AND GERHARD CLOSS LECTURE SERIES FUND IN THE CHEMISTRY DEPARTMENT.
IL · TY 2022
$50K
Colorado Music Festivalctr Musical Arts
THE FESTIVAL FELLOWS PROGRAM SUPPORTS THE GOAL OF ADDRESSING THE ISSUE OF UNDERREPRESENTATION OF PEOPLE OF COLOR IN CLAS…
CO · TY 2022
$50K
Boulder Philharmonic Orchestra Education
SUPPORT COMMUNITY OUTREACH TO YOUNG STUDENTS (PRESCHOOL THROUGH HIGH SCHOOL) THROUGH IN-SCHOOL MUSIC EDUCATION AND THE D…
CO · TY 2022
$50K
Community Food Share
MISSION TO BE A LEADER IN ENDING HUNGER IN BOULDER AND BROOMFIELD COUNTIES, COLORADO
CO · TY 2022
$10K
St Paul Central Hs Class1963 School Fund
TO PROVIDE POST- HIGH SCHOOL SCHOLARSHIPS FOR LOW-INCOME STUDENTS.
MN · TY 2022
$8K
Colorado Arcs (achievement Rewards for College Scientists)
SCHOLARSHIP TO DESERVING SCIENCE, ENGINEERING OR MEDICAL STUDENT AT ONE OF THE COLORADO UNIVERSITIES THAT ARCS SUPPORTS …
CO · TY 2022
$8K
Georgia Institute of Technology
FUND IN HONOR OF THE LATE PROFESSOR BRIDGETTE A. BARRY AT GEORGIA INSTITUTE OF TECHNOLOGY TO ESTABLISH A GRADUATE STUDEN…
GA · TY 2022
$5K
Our (outreach United Resource) Center
HELP PEOPLE MOVE TOWARD SELF-SUFFICIENCY BY UNIFYING COMMUNITY RESOURCES
CO · TY 2022
$5K
Boulder Bach Festival
SUPPORT FOR BOULDER BACH FESTIVAL CONCERT AND EDUCATIONAL PROGRAMMING. THE FUNDS WILL BE USED FOR PROGRAMMING THAT CAN B…
CO · TY 2021
$150K
University of Colorado Foundation
GIFT DESIGNATED TO INCREASE THE ENDOWMENT OF NORIS GRADUATE STUDENT AWARDS FUND. PROVIDES SUPPORT FOR AWARDS TO GRADUATE…
CO · TY 2021
$100K
University of Illinois
GIFT DESIGNATED TO INCREASE THE ENDOWMENT FUND: PROFESSOR CULLEN W. PARMELEE SCHOLARSHIP FUND.
IL · TY 2021
$50K
Colo Music Festivalctr for Musical Arts
HEARTSTRINGS PROGRAM ENSURES THAT EVERY STUDENT IS ABLE TO ACCESS MUSIC STUDY AND PERFORMANCE. SPECIFICALLY, A COMBINATI…
CO · TY 2021
$50K
University of Chicago
GIFT TO ESTABLISH AND ENDOW LISELOTTE AND GERHARD CLOSS LECTURE SERIES FUND IN THE CHEMISTRY DEPARTMENT.
IL · TY 2021
$50K
Colorado Music Festivalctr Musical Arts
THE FESTIVAL FELLOWS PROGRAM SUPPORTS THE GOAL OF ADDRESSING THE ISSUE OF UNDERREPRESENTATION OF PEOPLE OF COLOR IN CLAS…
CO · TY 2021
$50K
University of Chicago
GIFT DESIGNATED TO INCREASE THE ENDOWMENT FUND: THURNAUER SCHOLARSHIP FUND
IL · TY 2021
$50K
Boulder Philharmonic Orchestra
SUPPORT COMMUNITY OUTREACH TO YOUNG STUDENTS (PRESCHOOL THROUGH HIGH SCHOOL) THROUGH IN-SCHOOL MUSIC EDUCATION AND THE D…
CO · TY 2021
$40K
I Have a Dream Foundation of Boulder County
TO EMPOWER CHILDREN FROM LOW-INCOME COMMUNITIES TO SUCCEED IN SCHOOL, COLLEGE, AND CAREER BY PROVIDING ACADEMIC, SOCIAL,…
CO · TY 2021
$20K
University of Colorado Foundation
SCHOLARSHIP SUPPORT FOR UNIVERSITY OF COLORADO, COLLEGE OF MUSIC GRADUATE STUDENTS
CO · TY 2021
$16K
Community Food Share
MISSION TO BE A LEADER IN ENDING HUNGER IN BOULDER AND BROOMFIELD COUNTIES, COLORADO
CO · TY 2021
$10K
St Paul Central Hs Scholarship Fund
TO PROVIDE POST- HIGH SCHOOL SCHOLARSHIPS FOR LOW-INCOME STUDENTS.
MN · TY 2021
$8K
Colorado Arcs (science Advancing America)
SCHOLARSHIP TO DESERVING SCIENCE, ENGINEERING OR MEDICAL STUDENT AT ONE OF THE COLORADO UNIVERSITIES THAT ARCS SUPPORTS …
CO · TY 2021
$7K
Our (outreach United Resource) Center
HELP PEOPLE MOVE TOWARD SELF-SUFFICIENCY BY UNIFYING COMMUNITY RESOURCES
CO · TY 2021
$5K
Boulder Bach Festival
SUPPORT FOR BOULDER BACH FESTIVAL CONCERT AND EDUCATIONAL PROGRAMMING. THE FUNDS WILL BE USED FOR PROGRAMMING THAT CAN B…
CO · TY 2020
$150K
University of Chicago
GIFT DESIGNATED TO INCREASE THE ENDOWMENT FUND: THURNAUER SCHOLARSHIP FUND
IL · TY 2020
$50K
Source: IRS Form 990-PF, Part XV. Up to 50 most recent grants shown.