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**EXHIBIT      31.1**

**CERTIFICATIONS**

| 1. | I                have reviewed this quarterly report on Form 10-QSB for the three                months                ended March 31, 2005 of Atlas America Series 25 - 2004(B)                L.P. |
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| 2. | Based                on my knowledge, this report does not contain any untrue statement                of a                material fact or omit to state a material fact necessary to make                the                statements made, in light of the circumstances under which such statements                were made, not misleading with respect to the period covered by this                report; |
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| 3. | Based                on my knowledge, the financial statements, and other financial information                included in this report, fairly present in all material respects                the                financial condition, results of operations and cash flows of the                registrant as of, and for, the periods presented in this                report; |
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| 4. | The                registrant’s other certifying officer(s) and I are responsible for                establishing and maintaining disclosure controls and procedures (as                defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal                control over Financial Reporting (as defined in Exchange Act Rules                13a-15(f) and 15d-15(f)) for the registrant and                have: |
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|   | a) | Designed                    such disclosure controls and procedures, or caused such disclosure                    controls and procedures to be designed under our supervision,                    to ensure                    that material information relating to the registrant, including                    its                    consolidated subsidiaries, is made known to us by others within                    those                    entities, particularly during the period in which this report                    is being                    prepared; |
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|   | b) | Designed                    such internal control over financial reporting, or caused such                    internal                    control over financial reporting to be designed under our supervision,                    to                    provide reasonable assurance regarding the reliability of financial                    reporting and the preparation of financial statements for external                    purposes in accordance with generally accepted accounting                    principles; |
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|   | c) | Evaluated                    the effectiveness of the registrant’s disclosure controls and procedures                    and presented in this report our conclusions about the effectiveness                    of                    the disclosure controls and procedures, as of the end of the                    period                    covered by this report based on such evaluation;                    and |
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|   | d) | Disclosed                    in this report any change in the registrant’s internal control over                    financial reporting that occurred during the registrant’s most recent                    fiscal quarter (the registrant’s fourth fiscal quarter in the case of an                    annual report) that has materially affected, or is reasonably                    likely to                    materially affect, the registrant’s internal control over financial                    reporting; and |
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| 5. | The                registrant’s other certifying officer(s) and I have disclosed, based on                our most recent evaluation of internal control over financial reporting,                to the registrant’s auditors and the audit committee of the registrant’s                board of directors (or persons performing the equivalent                functions): |
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|   | a) | All                  significant deficiencies and material weaknesses in the design                  or                  operation of internal control over financial reporting which are                  reasonably likely to adversely affect the registrant’s ability to record,                  process, summarize and report financial information;                  and |
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|   | b) | Any                  fraud, whether or not material, that involves management or other                  employees who have a significant role in the registrant’s internal control                  over financial reporting. |
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| By:    | /s/                Freddie M. Kotek                                    |
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| Name:  | Freddie                M. Kotek                                        |
| Title: | Chief                Executive Officer of the Managing General Partner |
| Date:  | June              15, 2005                                             |

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