Civic Intelligence

Aspen Center for Environmental Studies

EIN 23-7042291 • 501(c)3 • Aspen, CO

Profile

Aces' mission is to inspire a life-long commitment to the earth by educating for environmental responsibility, conserving and restoring the balance of natural communities, and advancing the ethic that the earth must be respected and nurtured.

100 Puppy Smith StAspen, CO 81611

www.aspennature.org

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

Liabilities / Assets

23rd percentile

0.04x

Higher debt load relative to assets than 23% of similar nonprofits.

501(c)3 • $25M-$50M nonprofits • Source year 2024

Liabilities / Revenue

46th percentile

0.24x

Higher debt load relative to revenue than 46% of similar nonprofits.

501(c)3 • $25M-$50M nonprofits • Source year 2024

Net Margin

80th percentile

28%

Higher net margin than 80% of similar nonprofits.

501(c)3 • $25M-$50M nonprofits • Source year 2024

Top Officer Pay

56th percentile

$288,293

Higher top officer pay than 56% of similar nonprofits.

Top officer pay equals 4.9% of source-year revenue.

501(c)3 • $25M-$50M nonprofits • Source year 2024

Asset Growth

50th percentile

5.0%

Faster asset growth than 50% of similar nonprofits.

501(c)3 • $25M-$50M nonprofits • Annualized from 2023 to 2024

Revenue Growth

42nd percentile

4.5%

Faster revenue growth than 42% of similar nonprofits.

501(c)3 • $25M-$50M nonprofits • Annualized from 2023 to 2024

Balance Sheet
Liabilities / Assets23rd percentile

Assets

Up

$38,720,736

Up $6,115,021 (+19%) from 2021

Liabilities

Up

$1,424,595

Up $618,272 (+77%) from 2021

Net Assets

Up

$37,296,141

Up $5,496,749 (+17%) from 2021

Operations
Liabilities / Revenue46th percentileNet Margin80th percentile

Revenue

Down

$5,880,494

Down $795,749 (-12%) from 2021

Expenses

Up

$4,211,814

Up $1,331,109 (+46%) from 2021

Net Income

Down

$1,668,680

Down $2,126,858 (-56%) from 2021

Trend Graphs

Balance Sheet Trend

Asset Growth50th percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

$40M$30M$20M$10M$0Assets 2010: $7,730,013Liabilities 2010: $92,945Net Assets 2010: $7,637,0682010Assets 2011: $8,320,075Liabilities 2011: $85,420Net Assets 2011: $8,234,6552011Assets 2012: $9,434,960Liabilities 2012: $78,991Net Assets 2012: $9,355,9692012Assets 2013: $9,394,713Liabilities 2013: $87,646Net Assets 2013: $9,307,0672013Assets 2014: $10,247,209Liabilities 2014: $169,728Net Assets 2014: $10,077,4812014Assets 2015: $10,796,640Liabilities 2015: $354,828Net Assets 2015: $10,441,8122015Assets 2017: $13,384,706Liabilities 2017: $559,641Net Assets 2017: $12,825,0652017Assets 2018: $14,318,186Liabilities 2018: $459,048Net Assets 2018: $13,859,1382018Assets 2019: $20,495,195Liabilities 2019: $548,857Net Assets 2019: $19,946,3382019Assets 2020: $28,539,165Liabilities 2020: $535,311Net Assets 2020: $28,003,8542020Assets 2021: $32,605,715Liabilities 2021: $806,323Net Assets 2021: $31,799,3922021Assets 2024: $38,720,736Liabilities 2024: $1,424,595Net Assets 2024: $37,296,1412024

Highlighted filing

2024

Assets$38,720,736
Liabilities$1,424,595
Net Assets$37,296,141
Open 2024 Filing

Operations Trend

Revenue Growth42nd percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

$15M$10M$5.0M$0Expenses 2010: $1,274,3232010Expenses 2011: $1,318,5702011Expenses 2012: $1,900,2482012Expenses 2013: $2,118,5062013Revenue 2014: $3,036,260Expenses 2014: $2,261,466Net Income 2014: $774,7942014Revenue 2015: $2,865,822Expenses 2015: $2,501,491Net Income 2015: $364,3312015Revenue 2017: $2,673,993Expenses 2017: $2,368,811Net Income 2017: $305,1822017Revenue 2018: $3,542,366Expenses 2018: $2,598,618Net Income 2018: $943,7482018Revenue 2019: $9,045,765Expenses 2019: $2,958,565Net Income 2019: $6,087,2002019Revenue 2020: $10,605,639Expenses 2020: $2,548,123Net Income 2020: $8,057,5162020Revenue 2021: $6,676,243Expenses 2021: $2,880,705Net Income 2021: $3,795,5382021Revenue 2024: $5,880,494Expenses 2024: $4,211,814Net Income 2024: $1,668,6802024

Highlighted filing

2024

Revenue$5,880,494
Expenses$4,211,814
Net Income$1,668,680
Open 2024 Filing

Filings

Most recent year

2024 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.

Open filing
Assets
$38,720,736
Liabilities
$1,424,595
Net assets
$37,296,141
Revenue
$5,880,494
Expenses
$4,211,814
Net income
$1,668,680
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2024Facts available. Structured filing facts are available, but richer extracted sections are limited.$38.7$1.42$37.3$5.88$4.21$1.67
2021XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$32.6$0.81$31.8$6.68$2.88$3.80
2020XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$28.5$0.54$28.0$10.6$2.55$8.06
2019XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$20.5$0.55$19.9$9.05$2.96$6.09
2018XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$14.3$0.46$13.9$3.54$2.60$0.94
2017XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$13.4$0.56$12.8$2.67$2.37$0.31
2015Detailed filing. Detailed filing data is available for this year.$10.8$0.35$10.4$2.87$2.50$0.36
2014Detailed filing. Detailed filing data is available for this year.$10.2$0.17$10.1$3.04$2.26$0.77
2013Facts available. Structured filing facts are available, but richer extracted sections are limited.$9.39$0.09$9.31$2.12
2012Facts available. Structured filing facts are available, but richer extracted sections are limited.$9.43$0.08$9.36$1.90
2011Facts available. Structured filing facts are available, but richer extracted sections are limited.$8.32$0.09$8.23$1.32
2010Facts available. Structured filing facts are available, but richer extracted sections are limited.$7.73$0.09$7.64$1.27
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Nov 1, 2023 to Oct 31, 2024
Signed
Jul 25, 2025
Return Version
2023v6.0
Gross Receipts
$6,123,029
Mission and Program Overview

Mission

Aces' mission is to inspire a life-long commitment to the earth by educating for environmental responsibility, conserving and restoring the balance of natural communities, and advancing the ethic that the earth must be respected and nurtured.

Educating for environmental responsibility

Balance Sheet Detail
LineBeginningEndChange
Assets
Land, Buildings, and Equipment, Net$18,826,176$24,221,865▲ $5,395,689
Investments in Publicly Traded Securities$15,356,957$11,405,951▼ $3,951,006
Savings and Temporary Cash Investments$1,272,440$1,810,524▲ $538,084
Pledges and Grants Receivable$1,336,997$1,209,003▼ $127,994
Inventories for Sale or Use$20,800$46,374▲ $25,574
Cash and Non-Interest-Bearing Accounts-$983-
Total Assets$36,862,201$38,720,736▲ $1,858,535
Other Assets Total$48,831$26,036▼ $22,795
Liabilities
Accounts Payable and Accrued Expenses$1,480,563$1,192,041▼ $288,522
Unsecured Notes Loans Payable$230,419$204,459▼ $25,960
Other Liabilities$54,962$28,095▼ $26,867
Total Liabilities$1,765,944$1,424,595▼ $341,349
Net Assets / Fund Balance
Net Assets Without Donor Restrictions$32,209,551$34,709,532▲ $2,499,981
Net Assets With Donor Restrictions$2,886,706$2,586,609▼ $300,097
Total Net Assets Fund Balance$35,096,257$37,296,141▲ $2,199,884
Total Liabilities and Net Assets / Fund Balance$36,862,201$38,720,736▲ $1,858,535

Asset Categories

AssetBook ValueDepreciationBasis
Buildings$17,310,865$2,894,917$20,205,782
Land$6,911,000-$6,911,000
Other Land Buildings$0--
Equipment$0--

Endowment Activity

PeriodBeginningContrib.Gain/LossOther UsesEnd
2023$10,787,751$150,000▲ $951,883-$11,342,913
2022$10,777,694-▲ $595,057-$10,787,751
2021$9,849,414$150,000▲ $1,258,280-$10,777,694
2020$9,242,756$150,000▲ $936,658-$9,849,414
2019$9,133,158-▲ $109,598-$9,242,756
Compensation and Service Providers
Top Officer Pay56th percentile

Employees

NameTitleFull / Part TimeBaseOtherTotal
Chris LaneCEOFT$265,215$23,078$288,293
Christina MahonEmployeeFT$115,025$11,411$126,436
Clayton B KettelkampEmployeeFT$110,242$11,382$121,624

Board Members and Trustees

NameTitle
Diane MooreChair
Adam LewisTrustee
Adelaide WatersTrustee
Alex SanchezTrustee
Andy DockenTrustee
Barbara RosenbergTrustee
Ben PritzkerTrustee
Chris DanielsTrustee
Colter Van DomelenTrustee
Gina MurdockTrustee
Hadley HentschelTrustee
Jennifer GoldfarbTrustee
Jerry MurdockTrustee
Leslie LamontTrustee
Mark HamiltonTrustee
Megan TalaricoTrustee
Reenie KinneyTrustee
Brian BradyTreasurer

Highest Paid Contractors

ContractorServicesLocationCompensation
Louthis Custom Builders INCContractor415 PARK CIRCLE UNIT 1, Aspen, CO 81611$3,116,079
Michael Fuller Architects PCArchitect23400 2 RIVERS RD STE 41, Basalt, CO 81621$291,819
Luci Creative LLCDesigner6950 N CENTRAL PARK AVENUE, Lincolnwood, IL 60712$259,563
Revenue and Support

Revenue Composition

Contributions and Grants
$4,532,319
Program Service Revenue
$1,080,952
Investment Income
$191,843
Other Revenue
$75,380
All Other Contributions
$3,531,696
Change in Net Assets
$1,668,680

Audited Revenue Reconciliation

Revenue per Audited Statements
$5,880,494
Revenue Not Reported on Financial Statements
$0
Revenue Not Reported on Form 990
$531,204
Total Revenue per Audited Statements
$6,411,698
Total Revenue per Form 990
$5,880,494
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Salaries, Compensation, and Employee Benefits$2,651,836
Other Expenses$1,559,978
Total Fundraising Expense$640,652
Grants and Similar Amounts Paid$0
Professional Fundraising Fees$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Other Salaries and Wages$1,411,252$100,461$299,018$1,810,731
Current Officers, Directors, Trustees, and Key Employees$110,565$110,565$147,420$368,550
Occupancy$218,604$62,468$22,770$303,842
Other Employee Benefits$183,339$37,603$40,476$261,418
Depreciation Depletion$224,797$3,061$19,243$247,101
Payroll Taxes$109,161$28,550$30,229$167,940
Insurance$61,313$10,771$10,771$82,855
Advertising$33,708$38,640$9,866$82,214
Fees for Services Other-$63,960-$63,960
Pension Plan Contributions$24,623$9,503$9,071$43,197
Office Expenses$28,633$6,422$6,097$41,152
Other Expenses$556,648$41,004$36,311$41,004
Information Technology$20,925$5,772$9,380$36,077
Fees for Services Accounting-$27,100-$27,100
Travel$24,469--$24,469
Interest$11,907--$11,907
Fees for Services Legal-$5,338-$5,338
Total Functional Expenses$3,019,944$551,218$640,652$4,211,814

Audited Expense Reconciliation

Line ItemAmount
Expenses per Audited Statements$4,211,814
Total Expenses per Audited Statements$4,211,814
Total Expenses per Form 990$4,211,814
Expenses Not Reported on Financial Statements$0
Expenses Not Reported on Form 990$0
Fundraising, Events, and Gaming
Fundraising activities
Yes
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Fundraising Gross Income$268,750
Fundraising Direct Expenses$171,287
Professional Fundraising Fees$0

Fundraising Events

EventGross ReceiptsGross RevenueDirect ExpensesNet Income
Special Event$940,794$268,750$171,287$97,463
Total Events$940,794$268,750$171,287$97,463
Political and Lobbying Activity
Political campaign activity
No
Lobbying activity
No
Subject to proxy tax
No
Debt and Bond Financing

Other Reported Liabilities

LiabilityAmount
Right of Use Liability$28,095
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
Annual disclosure for covered persons
Yes
Audit committee
Yes
Backup withholding compliance
Yes
Business relationship with 35% controlled entity
No
Business relationship with family members
No
Business relationship with organization members
No
Material changes to governing documents
No
Compensation from other sources disclosed
No
CEO compensation reviewed
Yes
Other officer compensation reviewed
No
Conflict-of-interest policy
Yes
Audited financial statements prepared
No
Key decisions subject to board approval
No
Management duties delegated
No

Governance Explanations

Form 990, Part VI, Section A, Line 2

“Two board members are married.”

Form 990, Part VI, Section A, Line 6

“Aces is a membership organization. A membership fee is considered a donation as there is de minimus benefit. Members do not elect board members.”

Form 990, Part VI, Section B, Line 11B

“The board president, treasurer and ceo review the 990 before sending to the entire board.”

Form 990, Part VI, Section B, Line 12C

“Board members and staff are required to contact key staff people or board members if there is a change in their status.”

Form 990, Part VI, Section B, Line 15A

“The executive committee of the board reviews the ceo annually to determine if any change in salary is appropriate. National compensation surveys for nonprofit ceo positions are referenced in the review process. In light of the fact that aspen and the roaring fork valley are such high cost of living areas, the executive committee has determined that the aces' ceo salary is appropriate since it is in line with or less than salaries paid to ceo's in new york, washington dc and new jersey. The board in full must approve any recommendations from the executive committee through the budget approval process.”

Form 990, Part VI, Section C, Line 19

“Made available to the general public as requested.”

Filing and Contact Details

Filer

Filer Name
Aspen Center for Environmental Studies
EIN
23-7042291
Phone
9709255756
Address
100 PUPPY SMITH ST, ASPEN, CO 81611

Signing Officer

Name
Chris Lane
Title
Executive Director
Phone
9709255756
Signed
2025-07-25
Discuss with paid preparer
Yes

Organization Details

Principal Officer
Chris Lane
Formed
1968
Legal Domicile
Co
Voting Board Members
18
Independent Board Members
18
Employees
76
Volunteers
18

Preparer

Firm
Reese Henry & Company Inc
Address
400 E MAIN, ASPEN, CO 81611
Preparer
Mark S Kavasch CPA
Phone
9709253771
Supplemental Narrative

Financial Statement Notes

PART II, LINE 5:

“Staff is assigned to monitor the enforcement of easements. Staff informs the appropriate level of management if a violation has occurred.”

PART II, LINE 9:

“Value at date of receipt is included in land as an asset.”

PART V, LINE 4:

“To provide for operations of aces facilities and programs”

PART X, LINE 2:

“Fasb topic 740-10, accounting for uncertainty in income taxes, prescribes when to recognize and how to measure the financial statement effects of income tax positions taken or expected to be taken on its income tax returns. These rules require management to evaluate the likelihood that, upon examination by relevant taxing jurisdictions, those income tax positions would be sustained. Based on that evaluation, aces only recognizes the maximum benefit of each income tax position that is more than 50% likely of being sustained. To the extent that all or a portion of the benefits of an income tax position are not recognized, a liability would be recognized for the unrecognized benefits, along with any interest and penalties that would result from disallowance of the position. Should any such penalties and interest be incurred, they would be recognized as operating expenses. Aces had no material unrecognized tax benefits for the years ended october 31, 2024 and 2023. As a result, no interest or penalties were accrued for unrecognized tax benefits during these years.”

Raw XML AppendixShowing 400 of 692 raw XML fields

This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

Path#Value
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IRS990/AdvertisingGrp/FundraisingAmt09866
IRS990/AdvertisingGrp/ManagementAndGeneralAmt038640
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IRS990/AdvertisingGrp/TotalAmt082214
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IRS990/Desc0ASPEN CENTER FOR ENVIRONMENTAL STUDIES (ACES) IS A NONPROFIT ENVIRONMENTAL SCIENCE EDUCATION ORGANIZATION.ACES INSPIRES A LIFE-LONG COMMITMENT TO THE EARTH BY PROVIDING INNOVATIVE AND IMMERSIVE EDUCATIONAL PROGRAMMING FOR ALL AGES. WE HAVE THREE LOCATIONS: HALLAM LAKE, ROCK BOTTOM RANCH, AND CATTO CENTER AT TOKLAT. OUR EDUCATION PROGRAMS FOCUS ON ECOLOGICAL LITERACY, REGENERATIVE AGRICULTURE, FOREST AND ECOSYSTEM HEALTH, LAND RESTORATION, AND ENVIRONMENTAL CIVIC LEADERSHIP AND THEY REACH OVER 140,000 INDIVIDUALS EVERY YEAR. IN PARTNERSHIP WITH 60 PLUS PARTNER ORGANIZATIONS, ACES TEACHES ENVIRONMENTAL SCIENCE DAILY IN SCHOOLS FROM ASPEN TO RIFLE COLORADO, PROVIDES DAY CAMPS FOR CHILDREN IN THE SUMMER AND OVER SELECT HOLIDAYS, GUIDES ADULTS AND YOUTHS OF ALL AGES ON OUTDOOR NATURE CLASSES, GUIDED HIKES AND FIELD PROGRAMS. WE ALSO ENGAGE OUR COMMUNITY BY HOSTING PUBLIC LECTURES AND EVENTS ABOUT CUTTING EDGE ENVIRONMENTAL SCIENCE. THROUGH COLLABORATIONS WITH LAND TRUSTS, PUBLIC AGENCIES AND OTHER NONPROFIT ORGANIZATIONS; ACES CARRIES OUT ITS MISSION "EDUCATING FOR ENVIRONMENTAL RESPONSIBILITY."
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