<PAGE>
                                                                    EXHIBIT 24.1


                               POWER OF ATTORNEY


         KNOW ALL MEN BY THESE PRESENTS, that the undersigned, a director and/or
officer of ExpressJet Holdings, Inc. (the "Company"), does hereby constitute and
appoint James B. Ream, Frederick S. Cromer and John F. Wombwell, or any of them,
as the undersigned's true and lawful attorneys in fact and agents to execute in
the name, place and stead of the undersigned the Company's Annual Report on Form
10-K for the year ended December 31, 2002 (and any amendments thereto), to be
filed by the Company under the Securities Exchange Act of 1934, as amended, as
fully and effectively in all respects as the undersigned could do if personally
present.

         IN WITNESS WHEREOF, the undersigned has signed this Power of Attorney
on and as of the date set forth below.



Date: February 12, 2003
                                            /s/ Thomas E. Schick
                                            -------------------------------
                                            Printed Name:  Thomas E. Schick


<PAGE>
                                POWER OF ATTORNEY


         KNOW ALL MEN BY THESE PRESENTS, that the undersigned, a director and/or
officer of ExpressJet Holdings, Inc. (the "Company"), does hereby constitute and
appoint James B. Ream, Frederick S. Cromer and John F. Wombwell, or any of them,
as the undersigned's true and lawful attorneys in fact and agents to execute in
the name, place and stead of the undersigned the Company's Annual Report on Form
10-K for the year ended December 31, 2002 (and any amendments thereto), to be
filed by the Company under the Securities Exchange Act of 1934, as amended, as
fully and effectively in all respects as the undersigned could do if personally
present.

         IN WITNESS WHEREOF, the undersigned has signed this Power of Attorney
on and as of the date set forth below.



Date: February 12, 2003
                                            /s/ Kim A. Fadel
                                            --------------------------
                                            Printed Name:  Kim A. Fadel


<PAGE>
                               POWER OF ATTORNEY


         KNOW ALL MEN BY THESE PRESENTS, that the undersigned, a director and/or
officer of ExpressJet Holdings, Inc. (the "Company"), does hereby constitute and
appoint James B. Ream, Frederick S. Cromer and John F. Wombwell, or any of them,
as the undersigned's true and lawful attorneys in fact and agents to execute in
the name, place and stead of the undersigned the Company's Annual Report on Form
10-K for the year ended December 31, 2002 (and any amendments thereto), to be
filed by the Company under the Securities Exchange Act of 1934, as amended, as
fully and effectively in all respects as the undersigned could do if personally
present.

         IN WITNESS WHEREOF, the undersigned has signed this Power of Attorney
on and as of the date set forth below.



Date: February 12, 2003
                                            /s/ Janet M. Clarke
                                            ------------------------------
                                            Printed Name:  Janet M. Clarke


<PAGE>
                                POWER OF ATTORNEY


         KNOW ALL MEN BY THESE PRESENTS, that the undersigned, a director and/or
officer of ExpressJet Holdings, Inc. (the "Company"), does hereby constitute and
appoint James B. Ream, Frederick S. Cromer and John F. Wombwell, or any of them,
as the undersigned's true and lawful attorneys in fact and agents to execute in
the name, place and stead of the undersigned the Company's Annual Report on Form
10-K for the year ended December 31, 2002 (and any amendments thereto), to be
filed by the Company under the Securities Exchange Act of 1934, as amended, as
fully and effectively in all respects as the undersigned could do if personally
present.

         IN WITNESS WHEREOF, the undersigned has signed this Power of Attorney
on and as of the date set forth below.



Date: February 12, 2003
                                            /s/ L. E. Simmons
                                            ----------------------------
                                            Printed Name:  L. E. Simmons


<PAGE>
                                POWER OF ATTORNEY


         KNOW ALL MEN BY THESE PRESENTS, that the undersigned, a director and/or
officer of ExpressJet Holdings, Inc. (the "Company"), does hereby constitute and
appoint James B. Ream, Frederick S. Cromer and John F. Wombwell, or any of them,
as the undersigned's true and lawful attorneys in fact and agents to execute in
the name, place and stead of the undersigned the Company's Annual Report on Form
10-K for the year ended December 31, 2002 (and any amendments thereto), to be
filed by the Company under the Securities Exchange Act of 1934, as amended, as
fully and effectively in all respects as the undersigned could do if personally
present.

         IN WITNESS WHEREOF, the undersigned has signed this Power of Attorney
on and as of the date set forth below.



Date: February 12, 2003
                                            /s/ Gordon Bethune
                                            -----------------------------
                                            Printed Name:  Gordon Bethune


<PAGE>
                                POWER OF ATTORNEY


         KNOW ALL MEN BY THESE PRESENTS, that the undersigned, a director and/or
officer of ExpressJet Holdings, Inc. (the "Company"), does hereby constitute and
appoint James B. Ream, Frederick S. Cromer and John F. Wombwell, or any of them,
as the undersigned's true and lawful attorneys in fact and agents to execute in
the name, place and stead of the undersigned the Company's Annual Report on Form
10-K for the year ended December 31, 2002 (and any amendments thereto), to be
filed by the Company under the Securities Exchange Act of 1934, as amended, as
fully and effectively in all respects as the undersigned could do if personally
present.

         IN WITNESS WHEREOF, the undersigned has signed this Power of Attorney
on and as of the date set forth below.



Date: February 12, 2003
                                            /s/ Lawrence W. Kellner
                                            ----------------------------------
                                            Printed Name:  Lawrence W. Kellner


<PAGE>
                                POWER OF ATTORNEY


         KNOW ALL MEN BY THESE PRESENTS, that the undersigned, a director and/or
officer of ExpressJet Holdings, Inc. (the "Company"), does hereby constitute and
appoint James B. Ream, Frederick S. Cromer and John F. Wombwell, or any of them,
as the undersigned's true and lawful attorneys in fact and agents to execute in
the name, place and stead of the undersigned the Company's Annual Report on Form
10-K for the year ended December 31, 2002 (and any amendments thereto), to be
filed by the Company under the Securities Exchange Act of 1934, as amended, as
fully and effectively in all respects as the undersigned could do if personally
present.

         IN WITNESS WHEREOF, the undersigned has signed this Power of Attorney
on and as of the date set forth below.



Date: February 12, 2003
                                            /s/ C. D. McLean
                                            ---------------------------
                                            Printed Name:  C. D. McLean


<PAGE>
                                POWER OF ATTORNEY


         KNOW ALL MEN BY THESE PRESENTS, that the undersigned, a director and/or
officer of ExpressJet Holdings, Inc. (the "Company"), does hereby constitute and
appoint James B. Ream, Frederick S. Cromer and John F. Wombwell, or any of them,
as the undersigned's true and lawful attorneys in fact and agents to execute in
the name, place and stead of the undersigned the Company's Annual Report on Form
10-K for the year ended December 31, 2002 (and any amendments thereto), to be
filed by the Company under the Securities Exchange Act of 1934, as amended, as
fully and effectively in all respects as the undersigned could do if personally
present.

         IN WITNESS WHEREOF, the undersigned has signed this Power of Attorney
on and as of the date set forth below.



Date: February 12, 2003
                                            /s/ Jeffery A. Smisek
                                            ---------------------------------
                                            Printed Name:  Jeffery A. Smisek