2026-02-13T16:54:58-05:00 2025-09-30 381964450 WILLIS & JURASEK PC CPAS 4100 SPRING ARBOR ROAD JACKSON MI 492019306 990 2024-10-01 382236345 ANN ARBOR HANDS-ON MUSEUM ANNA 7349955439 220 EAST ANN STREET ANN ARBOR MI 481041445 THOMAS BUTLER CFO 7349955439 2026-02-12 true true NANCY L BARTON CPA P00421013 5177888660 2026-02-12 2024 2025-03-06 01:10:19Z SUSAN WESTHOFF 220 EAST ANN STREET ANN ARBOR MI 48104 4756012 false X WWW.AAHOM.ORG X 1979 MI ANN ARBOR HANDS-ON MUSEUM CREATES MOMENTS OF DISCOVERY THAT INSPIRE CURIOSITY, EXPLORATION AND RESPECT FOR STEM AND THE NATURAL WORLD. TOGETHER WITH THE LESLIE SCIENCE & NATURE CENTER, WE ENVISION A WORLD WHERE CURIOSITY TODAY LEADS TO MORE PURPOSEFUL LIVES TOMORROW. 19 19 81 500 0 1542742 1264372 2717549 2747971 203324 217369 307254 338727 4770869 4568439 0 0 2363088 2740328 0 358525 1590404 1905335 3953492 4645663 817377 -77224 11459810 11373109 1075537 1066060 10384273 10307049 X ANN ARBOR HANDS-ON MUSEUM CREATES MOMENTS OF DISCOVERY THAT INSPIRE CURIOSITY, EXPLORATION AND RESPECT FOR STEM AND THE NATURAL WORLD. TOGETHER WITH THE LESLIE SCIENCE & NATURE CENTER, WE ENVISION A WORLD WHERE CURIOSITY TODAY LEADS TO MORE PURPOSEFUL LIVES TOMORROW. false false 3425232 3086698 THE ANN ARBOR HANDS-ON MUSEUM AND LESLIE SCIENCE & NATURE CENTER PROVIDE UNIQUE, INSPIRING PROGRAMS AND SPACES FOR COMMUNITIES ACROSS SOUTHEASTERN MICHIGAN TO ENJOY. WE SERVE OVER 300,000 ANNUALLY THROUGH OUR INNOVATIVE PROGRAMMING, ENGAGING AREA SCHOOLS, SCOUTS, COMMUNITY GROUPS AND FAMILIES TO EXPLORE STEM CONCEPTS AND CAREERS. THROUGH OUR ANN ARBOR LOCATIONS AND OUTREACH PROGRAMMING, WE ENGAGE PEOPLE ACROSS 11 COUNTIES IN SOUTHEAST MICHIGAN AS WELL AS THROUGHOUT THE STATE AND NATION THROUGH OUR DISTANCE LEARNING PROGRAMS. IN ADDITION, WE PROVIDE ROBUST TOP-RATED VIRTUAL PROGRAMMING ACROSS THE COUNTRY AND EVEN WORLD-WIDE. THE MUSEUM OPERATES DAILY PROGRAMMING BOTH ON- AND OFF-SITE; BRINGING SCIENTIFIC CONCEPTS TO LIFE THROUGH HANDS-ON EXPERIMENTS. THE MUSEUM CENTERS ACCESSIBILITY IN OUR PROGRAMMING WITH SCHOLARSHIPS, AS WELL AS DISCOUNTED ADMISSIONS FOR UNDERSERVED COMMUNITIES. BARRIER-FREE ACCESS IS PARAMOUNT TO OUR WORK, AND WE SEEK TO EXPLORE EXPANDING OPPORTUNITIES FOR ALL TO LEARN ABOUT STEM AND EXPLORE CAREER PATHWAYS. THE LESLIE SCIENCE AND NATURE CENTER PROVIDES PROGRAMMING WHICH INCLUDES ENVIRONMENTAL EDUCATION ALONG WITH WILDLIFE AND SCIENCE-BASED PROGRAMS FOR CHILDREN AND FAMILIES. PROGRAMMING INCLUDES SCHOOL FIELD TRIPS TO THE NATURE CENTER, OUTREACH ACROSS SOUTHEASTERN MICHIGAN INCLUDING LIVE WILDLIFE PRESENTATIONS AND ENVIRONMENTAL PROGRAMMING AS WELL AS A ROBUST SUMMER CAMP PROGRAM. 3425232 true true false false false false false false false false true false false false true true true false false false false false false false false false false false false true false false false false false false false false false false false false false false false false false true 18 0 true 81 true false false false false false false false false false false false false false false X 19 19 false false false false false false false true true false false true true true true true true true true false MI X SUSAN WESTHOFF 7349955439 220 EAST ANN STREET ANN ARBOR MI 481041445 MATTHIAS BAUER TRUSTEE 0.50 X 0 0 0 PAIGE MORRISON CHAIR 1.00 X X 0 0 0 KIRA BARTON TRUSTEE 0.50 X 0 0 0 ROSA BUSHKUHL TRUSTEE 0.50 X 0 0 0 PAUL FANSON VICE CHAIR 1.00 X X 0 0 0 SCHUYLER FERGUSON TRUSTEE 0.50 X 0 0 0 MARK HOLTZ TREASURER 1.00 X X 0 0 0 WAYNE MILLETTE MEMBER AT LA 0.50 X 0 0 0 NICK SCHMIDT TRUSTEE 0.50 X 0 0 0 SUSAN WESTHOFF PRESIDENT/CE 40.00 X 140012 0 31961 ANDY BUCHSBAUM TRUSTEE 0.50 X 0 0 0 SEAN ETHERIDGE TRUSTEE 0.50 X 0 0 0 JEFFREY EVANS TRUSTEE 0.50 X 0 0 0 SHOSHANNAH LENSKI SECRETARY 1.00 X X 0 0 0 ALAN P JESIEL TRUSTEE 0.50 X 0 0 0 PRAVEENA RAMASWAMI TRUSTEE 0.50 X 0 0 0 THERESE PERLOWSKI TRUSTEE 0.50 X 0 0 0 MIKE SHRIBERG TRUSTEE 0.50 X 0 0 0 KARTHIK RAMANI TRUSTEE 0.50 X 0 0 0 ROBERT J ROCK TRUSTEE 0.50 X 0 0 0 140012 31961 1 false true false 9350 1255022 15840 1264372 TICKET SALES 1127412 1127412 EDUCATIONAL PROGRAMS 974864 974864 MEMBERSHIPS 645695 645695 2747971 217369 217369 367479 187573 179906 179906 OTHER REVENUE 137779 137779 MUSEUM RENTALS 21042 21042 158821 4568439 3086698 217369 140012 140012 2113751 1468562 422588 222601 65032 35640 25374 4018 235607 129122 91927 14558 185926 123773 46791 15362 17500 17500 4914 4914 132141 13574 113867 4700 46002 29241 11763 4998 146379 90612 37137 18630 61383 47901 11758 1724 240672 232916 3956 3800 41193 36513 2760 1920 16025 7996 5755 2274 518722 477272 36268 5182 65564 54224 10433 907 REPAIRS AND MAINTENANCE 177372 177182 190 EXHIBIT EXPENSE 158361 156112 2249 BANK CHARGES 121173 100755 16147 4271 SUPPLIES 91754 89440 529 1785 66180 14385 51795 4645663 3425232 861906 358525 268249 4645 5674566 6077670 255846 455696 378110 85685 48102 61396 14001 22361 10127168 6035434 4206827 4091734 11584 11530 602525 562392 11459810 11373109 350786 395722 371754 376704 352997 293634 1075537 1066060 X 9021978 8839461 1362295 1467588 10384273 10307049 11459810 11373109 -77224 X false true X true false X 1303758 1578517 772809 1542742 1264372 6462198 595063 2440556 3729287 3214227 3274271 13253404 1898821 4019073 4502096 4756969 4538643 19715602 19715602 98850 2675 37559 203324 217369 559777 98850 2675 37559 203324 217369 559777 1997671 4021748 4539655 4960293 4756012 20275379 0.97240 0.97850 0.03000 0.02000 X RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED RESTRICTED 264500 264500 4338763 2891274 1447489 2300487 1059019 1241468 3223418 2085141 1138277 4091734 OPERATING LEASE LIABILITY 293634 293634 X 4568439 4568439 4568439 4645663 4645663 4645663 SCHEDULE D, PAGE 3, PART X PROFESSIONAL STANDARDS REQUIRE AN ANALYSIS OF UNCERTAIN TAX POSITIONS FOR THE PURPOSE OF DETERMINING WHETHER BENEFITS ASSOCIATED WITH THOSE POSITIONS MAY BE RECOGNIZED FOR FINANCIAL STATEMENT PURPOSES. BASED ON THE ANALYSIS, THE ORGANIZATION HAS DETERMINED THAT IT HAS NO MATERIAL UNCERTAIN TAX POSITIONS FOR WHICH THE BENEFITS MAY NOT BE RECOGNIZED NOR FOR WHICH DISCLOSURE IS REQUIRED. false false false false false false false false false SUSAN WESTHOFF PRESIDENT/CEO 140012 31961 171973 FORM 990 - ORGANIZATION'S MISSION ANN ARBOR HANDS-ON MUSEUM CREATES MOMENTS OF DISCOVERY THAT INSPIRE CURIOSITY, EXPLORATION AND RESPECT FOR STEM AND THE NATURAL WORLD. TOGETHER WITH THE LESLIE SCIENCE & NATURE CENTER, WE ENVISION A WORLD WHERE CURIOSITY TODAY LEADS TO MORE PURPOSEFUL LIVES TOMORROW. FORM 990, PAGE 1, PART I, LINE 6 VOLUNTEERS INCLUDE TRUSTEES AS WELL AS COMMUNITY MEMBERS WHO CONTRIBUTE THEIR TIME AND TALENTS THROUGH WILDLIFE CARE, GRAPHIC DESIGN, LAND MANAGEMENT, PREPARING MATERIALS FOR SCHOOLS, AND SERVING ON-SITE AT THE NATURE CENTER OR MUSEUM FOR PROGRAM SUPPORT. FORM 990, PAGE 2, PART III, LINE 4A THE ANN ARBOR HANDS-ON MUSEUM AND LESLIE SCIENCE & NATURE CENTER PROVIDE UNIQUE, INSPIRING PROGRAMS AND SPACES FOR COMMUNITIES ACROSS SOUTHEASTERN MICHIGAN TO ENJOY. WE SERVE OVER 300,000 ANNUALLY THROUGH OUR INNOVATIVE PROGRAMMING, ENGAGING AREA SCHOOLS, SCOUTS, COMMUNITY GROUPS AND FAMILIES TO EXPLORE STEM CONCEPTS AND CAREERS. THROUGH OUR ANN ARBOR LOCATIONS AND OUTREACH PROGRAMMING, WE ENGAGE PEOPLE ACROSS 11 COUNTIES IN SOUTHEAST MICHIGAN AS WELL AS THROUGHOUT THE STATE AND NATION THROUGH OUR DISTANCE LEARNING PROGRAMS. IN ADDITION, WE PROVIDE ROBUST TOP-RATED VIRTUAL PROGRAMMING ACROSS THE COUNTRY AND EVEN WORLD-WIDE. THE MUSEUM OPERATES DAILY PROGRAMMING BOTH ON- AND OFF-SITE; BRINGING SCIENTIFIC CONCEPTS TO LIFE THROUGH HANDS-ON EXPERIMENTS. THE MUSEUM CENTERS ACCESSIBILITY IN OUR PROGRAMMING WITH SCHOLARSHIPS, AS WELL AS DISCOUNTED ADMISSIONS FOR UNDERSERVED COMMUNITIES. BARRIER-FREE ACCESS IS PARAMOUNT TO OUR WORK, AND WE SEEK TO EXPLORE EXPANDING OPPORTUNITIES FOR ALL TO LEARN ABOUT STEM AND EXPLORE CAREER PATHWAYS. THE LESLIE SCIENCE AND NATURE CENTER PROVIDES PROGRAMMING WHICH INCLUDES ENVIRONMENTAL EDUCATION ALONG WITH WILDLIFE AND SCIENCE-BASED PROGRAMS FOR CHILDREN AND FAMILIES. PROGRAMMING INCLUDES SCHOOL FIELD TRIPS TO THE NATURE CENTER, OUTREACH ACROSS SOUTHEASTERN MICHIGAN INCLUDING LIVE WILDLIFE PRESENTATIONS AND ENVIRONMENTAL PROGRAMMING AS WELL AS A ROBUST SUMMER CAMP PROGRAM. FORM 990, PAGE 6, PART VI, LINE 11B THE ORGANIZATION IS SENT A PRELIMINARY DRAFT OF FORM 990, AT WHICH TIME IT IS REVIEWED BY MANAGEMENT. QUESTIONS, COMMENTS, OR CHANGES ARE RELAYED BACK TO THE PREPARER AND THE PROPER CHANGES ARE MADE BEFORE THE FINAL DRAFT IS APPROVED AND FILED. FORM 990, PAGE 6, PART VI, LINE 12C STAFF AND TRUSTEES SHALL SIGN A FORM DECLARING NO CONFLICT OF INTEREST, OR MAKE PROMPT AND FULL DISCLOSURE ON THE FORM ANY POTENTIAL SITUATION THAT MAY INVOLVE A CONFLICT OF INTEREST. FORM 990, PAGE 6, PART VI, LINE 15A THE BOARD OF TRUSTEES USES A SALARY SURVEY FROM THE MICHIGAN NONPROFIT ASSOCIATION AS WELL AS INDUSTRY SALARY REPORTS FROM ASTC, ACM, AND ANCA THAT PROVIDES INFORMATION FOR AREA NONPROFITS IN WASHTENAW COUNTY AS A DETERMINATION FOR THE SALARY AND BENEFITS OF THE CEO/PRESIDENT. FORM 990, PAGE 6, PART VI, LINE 15B THE CEO USES THE MICHIGAN NONPROFIT ASSOCIATION SALARY SURVEY, AS WELL AS INDUSTRY SALARY SURVEY REPORTS, INCLUDING ASTC, ACM AND ANCA, AS A BASE FOR COMPENSATION COMPARISON AND SUPPORT FOR KEY EMPLOYEES. FORM 990, PAGE 6, PART VI, LINE 19 UPON REQUEST OF INDIVIDUALS