| 2025 | Rothman Charitable Trust | 990PF | Co-Trustee | 1 | $0 | $0 | View return |
| 2024 | Rothman Charitable Trust | 990PF | Co-Trustee | 1 | $0 | $0 | View return |
| 2024 | Colorado Model Railroad Museum | 990 | Board Treasurer | 8 | $0 | $0 | View return |
| 2024 | Cbmc Inc | 990EZ | Officer | 1 | $0 | - | View return |
| 2023 | Colorado Model Railroad Museum | 990 | Advisor | 8 | $0 | $0 | View return |
| 2023 | Rothman Charitable Trust | 990PF | Co-Trustee | 1 | $0 | $0 | View return |
| 2023 | Cbmc Inc | 990EZ | Officer | 1 | $0 | - | View return |
| 2023 | American Society for Technion- Israel Institute of Technology Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Rothman Charitable Trust | 990PF | Co-Trustee | 1 | $0 | $0 | View return |
| 2022 | Colorado Model Railroad Museum | 990 | Advisor | 8 | $0 | $0 | View return |
| 2022 | Cbmc Inc | 990EZ | Officer | 1 | $0 | - | View return |
| 2022 | American Society for Technion- Israel Institute of Technology Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Rothman Charitable Trust | 990PF | Co-Trustee | 1 | $0 | $0 | View return |
| 2021 | Colorado Model Railroad Museum | 990 | Advisor | 8 | $0 | $0 | View return |
| 2021 | American Society for Technion- Israel Institute of Technology Inc. | 990 | Vice Chairman | 5 | $0 | $0 | View return |
| 2020 | American Society for Technion- Israel Institute of Technology Inc. | 990 | Vice Chairman | 5 | $0 | $0 | View return |
| 2020 | Concord Children'S Center Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | Rothman Charitable Trust | 990PF | Co-Trustee | 1 | $0 | $0 | View return |
| 2020 | Colorado Model Railroad Museum | 990 | Advisor | 8 | $0 | $0 | View return |
| 2019 | Colorado Model Railroad Museum | 990 | Advisor | 8 | $0 | $0 | View return |
| 2019 | Infant Toddler Children'S Center Inc | 990 | Trustee (Former) | 0.25 | $0 | $0 | View return |
| 2019 | Rothman Charitable Trust | 990PF | Co-Trustee | 1 | $0 | $0 | View return |
| 2019 | American Society for Technion- Israel Institute of Technology Inc. | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2018 | Colorado Model Railroad Museum | 990 | Treasurer | 8 | $0 | $0 | View return |
| 2018 | American Society for Technion- Israel Institute of Technology Inc. | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2018 | Infant Toddler Children'S Center Inc | 990 | Trustee | 0.25 | $0 | $0 | View return |
| 2017 | Colorado Model Railroad Museum | 990 | Board VP/Tre | 8 | $0 | $0 | View return |
| 2017 | Infant Toddler Children'S Center Inc | 990 | Trustee | 0.25 | $0 | $0 | View return |
| 2017 | American Society for Technion- Israel Institute of Technology Inc. | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2016 | Colorado Model Railroad Museum | 990 | Board VP/Tre | 8 | $0 | $0 | View return |
| 2016 | Infant Toddler Children'S Center Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | American Society for Technion- Israel Institute of Technology Inc. | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2015 | Juvenile Arthritis Association | 990EZ | Chairman | 20 | $0 | - | View return |
| 2015 | Infant Toddler Children'S Center Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | American Society for Technion- Israel Institute of Technology Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2014 | Juvenile Arthritis Association | 990EZ | Chairman | 20 | $0 | - | View return |
| 2014 | Infant Toddler Children'S Center Inc | 990 | Trustee | 0.25 | $0 | $0 | View return |
| 2014 | Colorado Model Railroad Museum | 990 | Board Treasu | 1 | $0 | $0 | View return |
| 2014 | American Society for Technion- Israel Institute of Technology Inc. | 990 | Chairman | 1 | $0 | $0 | View return |
| 2013 | Juvenile Arthritis Association | 990EZ | Chairman | 20 | $0 | - | View return |
| 2013 | American Society for Technion- Israel Institute of Technology Inc. | 990 | Chairman | 1 | - | - | View return |
| 2013 | Infant Toddler Children'S Center Inc | 990 | Trustee | 1 | $0 | $0 | View return |