Declaration of James Baltzer — In re Bank of America California Unemployment Benefits Litigation (Dkt. 571-2, S.D. Cal. No. 3:21-md-02992)

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U.S. District Court for the Southern District of California · No. 3:21-md-02992-GPC-MSB · Doc. 571-2 · 2025-10-17 · Docket on CourtListener

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DECL. OF JAMES BALTZER IN SUPPORT OF PLAINTIFFS’ DAUBERT MOTION TO EXCLUDE 
CERTAIN TESTIMONY OF VICTOR STANGO  
Case No. 3:21-md-02992-GPC-MSB 
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JOSEPH W. COTCHETT (SBN 36324) 
jcotchett@cpmlegal.com 
BRIAN DANITZ (SBN 247403) 
bdanitz@cpmlegal.com 
KARIN B. SWOPE (Pro Hac Vice) 
kswope@cpmlegal.com 
VASTI S. MONTIEL (SBN 346409) 
vmontiel@cpmlegal.com 
CAROLINE A. YUEN (SBN 354388) 
cyuen@cpmlegal.com 
COTCHETT, PITRE & McCARTHY, LLP 
840 Malcolm Road, Suite 200 
Burlingame, CA 94010 
Telephone: (650) 697-6000 
Fax: (650) 697-0577 
MICHAEL RUBIN (SBN 80618) 
mrubin@altber.com 
STACEY M. LEYTON (SBN 203827)
sleyton@altber.com 
CONNIE K. CHAN (SBN 284230) 
cchan@altber.com 
JAMES BALTZER (SBN 332232) 
jbaltzer@altber.com 
ALTSHULER BERZON LLP 
177 Post Street, Suite 300 
San Francisco, CA 94108 
Telephone: (415) 421-7151 
Fax: (415) 362-8064 
Co-Lead Counsel for Plaintiffs and the Class 
 
UNITED STATES DISTRICT COURT 
SOUTHERN DISTRICT OF CALIFORNIA 
SAN DIEGO DIVISION 
 
IN RE BANK OF AMERICA 
CALIFORNIA UNEMPLOYMENT 
BENEFITS LITIGATION 
 
This Document Relates to All Actions 
Case No. 3:21-md-02992-GPC-MSB 
 
DECLARATION OF JAMES 
BALTZER IN SUPPORT OF 
PLAINTIFFS’ DAUBERT MOTION 
TO EXCLUDE CERTAIN 
TESTIMONY OF VICTOR STANGO 
 
Judge:   Hon. Gonzalo P. Curiel 
Ctrm:    12A 
Date:     April 17, 2026 
Case 3:21-md-02992-GPC-MSB     Document 571-2     Filed 10/17/25     PageID.34436 
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DECL. OF JAMES BALTZER IN SUPPORT OF PLAINTIFFS’ DAUBERT MOTION TO EXCLUDE 
CERTAIN TESTIMONY OF VICTOR STANGO 
 
Case No. 3:21-md-02992-GPC-MSB 
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DECLARATION OF JAMES BALTZER 
I, James Baltzer, hereby declare as follows: 
1. 
I am an associate at the law firm of Altshuler Berzon LLP, co-lead counsel 
for Plaintiffs and the putative class in this action. I submit this declaration in support of 
Plaintiffs’ Daubert Motion to Exclude Certain Testimony of Victor Stango. I have 
personal knowledge of the facts set forth in this declaration and if called as a witness in 
this action, I could and would testify competently to these facts. 
2. 
Attached hereto as Exhibit 1 is a true and correct copy of the Expert Report 
of Victor Stango, dated April 4, 2025. 
3. 
Attached hereto as Exhibit 2 is a true and correct copy of excerpts of the 
Litigation Services Handbook, The Role of the Financial Expert, Fifth Edition, ed. Roman 
L. Weil et al. (Hoboken, NJ: John Wiley & Sons, 2012), specifically the chapters: 
“Serving as a Financial Expert,” pp. 2.1-16; “Developing Damages Theories and 
Models,”  pp. 4.1–35; and “Ex Ante Versus Ex Post Damages Calculations,” pp. 5.1–23. 
4. 
Attached hereto as Exhibit 3 is a true and correct copy of excerpts of the 
transcript of the Deposition of Victor Stango taken by Plaintiffs, dated May 30, 2025. 
I declare under penalty of perjury that that the foregoing is true and correct.   
Executed this 17th day of October, 2025 in San Francsico, California 
__/s/ James Baltzer 
 
 
 
 
 
 
 
James Baltzer 
 
Case 3:21-md-02992-GPC-MSB     Document 571-2     Filed 10/17/25     PageID.34437 
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