| 2024 | Barrie and Mark Handelman Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2024 | Russian American Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Russian American Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Barrie and Mark Handelman Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2022 | The League Treatment Center Inc. | 990 | CEO (Thru 10/22) | 3 | $0 | $194,701 | View return |
| 2022 | Russian American Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Barrie and Mark Handelman Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2022 | Carl Fenichel Real Properties Inc C O League School | 990EZ | CEO (Thru 10/22) | 0.5 | $0 | $0 | View return |
| 2021 | League School | 990 | CEO | 20 | $193,004 | $0 | View return |
| 2021 | The League Treatment Center Inc. | 990 | CEO | 3 | $0 | $193,004 | View return |
| 2021 | Carl Fenichel Community Services Inc. | 990 | CEO | 12 | $0 | $193,004 | View return |
| 2021 | Russian American Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Barrie and Mark Handelman Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2021 | Carl Fenichel Real Properties Inc C O League School | 990EZ | CEO | 0.5 | $0 | $0 | View return |
| 2020 | League School | 990 | CEO | 20 | $217,519 | $0 | View return |
| 2020 | The League Treatment Center Inc. | 990 | CEO | 3 | $0 | $217,519 | View return |
| 2020 | Carl Fenichel Community Services Inc. | 990 | CEO | 12 | $0 | $217,519 | View return |
| 2020 | Russian American Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Barrie and Mark Handelman Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2019 | League School | 990 | CEO | 19 | $216,762 | $0 | View return |
| 2019 | Carl Fenichel Community Services Inc. | 990 | CEO | 11 | $0 | $216,762 | View return |
| 2019 | The League Treatment Center Inc. | 990 | CEO | 5 | $0 | $216,762 | View return |
| 2019 | Russian American Foundation Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Barrie and Mark Handelman Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2018 | League School | 990 | CEO | 19 | $218,063 | $0 | View return |
| 2018 | Carl Fenichel Community Services Inc. | 990 | CEO | 11 | $0 | $218,063 | View return |
| 2018 | The League Treatment Center Inc. | 990 | CEO | 5 | $0 | $218,063 | View return |
| 2018 | St Clare'S Corporation | 990 | Trustee | 0.25 | $0 | $0 | View return |
| 2018 | Barrie and Mark Handelman Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2017 | League School | 990 | CEO | 19 | $216,436 | $0 | View return |
| 2017 | League School | 990 | CEO | 19 | $216,436 | $0 | View return |
| 2017 | The League Treatment Center Inc. | 990 | CEO | 5 | $0 | $216,436 | View return |
| 2017 | Carl Fenichel Community Services Inc. | 990 | CEO | 11 | $0 | $216,436 | View return |
| 2017 | Carl Fenichel Community Services Inc. | 990 | CEO | 11 | $0 | $216,436 | View return |
| 2017 | St Clare'S Corporation | 990 | Trustee | 0.25 | $0 | $0 | View return |
| 2017 | Barrie and Mark Handelman Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2016 | League School | 990 | CEO | 19 | $164,936 | $0 | View return |
| 2016 | Hamilton-Madison House Inc. | 990 | Ed To 3/2016 | 35 | $54,519 | $0 | View return |
| 2016 | Carl Fenichel Community Services Inc. | 990 | CEO | 11 | $0 | $164,936 | View return |
| 2016 | The League Treatment Center Inc. | 990 | CEO | 5 | $0 | $164,936 | View return |
| 2016 | St Clare'S Corporation | 990 | Trustee | 0.25 | $0 | $0 | View return |
| 2016 | Barrie and Mark Handelman Family Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2015 | League School | 990 | CEO | 16 | $164,546 | $0 | View return |
| 2015 | Hamilton-Madison House Inc. | 990 | E.D. To 3/2016 | 35 | $163,819 | $0 | View return |
| 2015 | The League Treatment Center Inc. | 990 | CEO | 1 | $0 | $164,546 | View return |
| 2015 | Carl Fenichel Community Services Inc. | 990 | CEO | 18 | $0 | $164,546 | View return |
| 2015 | St Clare'S Corporation | 990 | Trustee | 0.25 | $0 | $0 | View return |
| 2015 | Barrie and Mark Handelman Family Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2014 | Hamilton-Madison House Inc. | 990 | Executive Director | 35 | $161,253 | $0 | View return |
| 2014 | Barrie and Mark Handelman Family Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2013 | Hamilton-Madison House Inc. | 990 | Executive Director | 35 | $160,862 | $0 | View return |
| 2013 | Barrie and Mark Handelman Family Foundation | 990PF | Trustee | 0 | $0 | - | View return |