Page 228 - ALMExperts 2025 Legal Experts Pages (Western Directory)

Taxation ALM EXPERTS: Legal Expert Pages (Western Edition) 2025
eCompCONSULTANTS eCompCONSULTANTS
TAXATION Ivan Zatkovich Ivan Zatkovich
Principal Consultant Principal Consultant
Tampa, FL Tampa, FL
Phone: (813) 601-8142 Phone: (813) 601-8142
E-mail: ivanzat@ecompconsultants .com E-mail: ivanzat@ecompconsultants .com
(Please see our resume on page 352 for further (Please see our resume on page 352 for further
details.) details.)
James Hastings eCompCONSULTANTS
Law Office of James Tampa, FL
Hastings, PC Phone: (813) 601-8142
PO Box 453 E-mail: ivanzat@ecompconsultants .com
San Francisco, CA 94104
Phone: (415) 891-2015 (Please see our resume on page 355 for further
Fax: (415) 520-9662 details.)
E-mail: jim .hastings@jwrhlaw .com
Web: http://www .jwrhlaw .com Wayne B. Norris eCompCONSULTANTS
Principal 301 W . Platt St ., Suite 365
Degrees/Licenses: JD, CPA, LLM Taxation; Norris Associates Technologies Tampa, FL 33606
Certified Specialist in Taxation, California Phone: (813) 601-8142
State Board of Legal Specialization Santa Barbara, CA E-mail: ivanzat@
Phone: (805) 962-7703 ecompconsultants .com
Profile: James Hastings has 25 years’ E-mail: Wayne@Norris-Associates .com Web: http://www .
experience in taxation, appearing in the U .S . ecompconsultants .com
Tax Court, U .S . Court of Federal Claims, (Please see our resume on page 376 for further
and California Superior Court representing details.) Degrees/Licenses: B .S . Computer Science,
plaintiffs with tax practitioner malpractice suits, 1980, University of Pittsburgh . Minor in E .E .
business litigation, and estate and trust claims . digital circuit design; Master’s study and thesis
TELECOM SYSTEMS in Computer Networks, Results published in
In addition, he advises litigators with creative Byte Magazine .
tax strategies in pleading, discovery, damages
calculations, and writing legal settlements . eCompCONSULTANTS Profile: Ivan Zatkovich is a
Telecommunications Director and
James is an adjunct professor to Golden Ivan Zatkovich technology consultant specializing
Gate University School of Law where he Principal Consultant in Telecommunications, Network
taught Professional Responsibility for Tax Tampa, FL Communications, Switch/Routing,
Practitioners . Phone: (813) 601-8142 Telecom Business Applications, Call
E-mail: ivanzat@ecompconsultants .com Center with IVR and Speech Recognition,
Messaging Systems, Wireless and
TAXES (Please see our resume on page 352 for further Mobile Communications technologies .
Ivan brings experience in a diverse set of
details.)
technologies including teleconferencing,
video conferencing, web conferencing, Caller
James Hastings eCompCONSULTANTS Authorization, Full Duplex/ Half Duplex call
Law Office of James Hastings, PC Tampa, FL setup, Listen only mode, and Whisper mode .
San Francisco, CA Phone: (813) 601-8142 Mr . Zatkovich has designed and implemented
E-mail: ivanzat@ecompconsultants .com
Phone: (415) 891-2015 telecom business systems, specifically: Telco
E-mail: jim .hastings@jwrhlaw .com Business and Residential billing, pricing plans,
(Please see our resume on page 353 for further pre-paid calling cards and Central Office
details.) switch service provisioning . He has also
(Please see our complete listing under the proposed and implemented large wireless and
following area of expertise: Expert Categories:
Taxation) eCompCONSULTANTS Telco business systems including Inter-Carrier
Tampa, FL Billing and toll charge reconciliation for Bell
Phone: (813) 601-8142 Canada, PTT Netherlands, and Mercury
Communications England .
TECHNOLOGY PATENTS E-mail: ivanzat@ecompconsultants .com
(Please see our resume on page 355 for further Mr . Zatkovich has successfully consulted for
details.) companies such as Verizon, Bell Canada,
David H. Williams PTT Netherlands, CANTV, Deutsche Telekom,
E911-LBS Consulting TelMex, McGraw-Hill, Apple, and Facebook .
Ivan has been expert for over 60 cases
St . Louis, MO TELECOMMUNICATIONS including telco and mobile communications
Phone: (203) 423-9015 contract disputes, trade secrets and patent
E-mail: dwilliams@LBSGlobe .com litigation . Evaluation of telephony, data and
David H. Williams software security patents for companies
(Please see our complete listing under the including Alcatel-Lucent . This includes
following area of expertise: Expert Categories: E911-LBS Consulting testifying in a mobile phone billing and
Cellular Evidence Analysis) St . Louis, MO payment authorization suit in South Africa
Phone: (203) 423-9015 where the judge found for his client and cited
E-mail: dwilliams@LBSGlobe .com
Mr . Zatkovich on all 36 points of contention in
the case . Mr . Zatkovich’s expert infringement
(Please see our complete listing under the analysis also contributed to the $35 million
following area of expertise: Expert Categories: settlement results for I2 against Oracle in a
Cellular Evidence Analysis)
network transaction patent litigation .
(Please see our resume on page 353 for further
details.)
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