Tessa Kostelec
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Tessa Kostelec Email & Phone Number

Accounting Professional at Mazzella Companies
Location: Greater Cleveland, United States, United States 5 work roles
1 work email found @rsmus.com LinkedIn matched
✓ Verified Jun 2026 3 data sources Profile completeness 71%

Contact Signals · 1 work email

Work email t****@rsmus.com
LinkedIn Profile matched
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Current company
Role
Accounting Professional
Location
Greater Cleveland, United States, United States
Company size

Who is Tessa Kostelec? Overview

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Quick answer

Tessa Kostelec is listed as Accounting Professional at Mazzella Companies, a company with 79 employees, based in Greater Cleveland, United States, United States. AeroLeads shows a work email signal at rsmus.com and a matched LinkedIn profile for Tessa Kostelec.

Tessa Kostelec previously worked as Internal Audit Analyst at Mazzella Companies and Audit Associate at Rsm Us Llp.

Company email context

Email format at Mazzella Companies

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{first}.{last}@rsmus.com
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AeroLeads found 1 current-domain work email signal for Tessa Kostelec. Compare company email patterns before reaching out.

Profile bio

About Tessa Kostelec

High-performing accounting graduate and CPA candidate. Energetic and creative professional with a strong work ethic and determination to excel. Collaborates easily with diversified teams to support and emphasize problem solving and project excellence.SKILLS & PROFICIENCIESCommitment to Continuous Learning ● Receptive to Constructive Criticism ● Intensive Attention to Detail ● Effective & Professional Communicator ● Analytical Capabilities ● Excel ● IDEA ● Word ● PDF ● CaseWare Software EXPERIENCEAudit Associate at RSM US LLPServed technology companies, such as manufacturers for security, military, and medical devices as well as subscription service companies. Many clients had foreign subsidiaries and some required multiple fiscal year audits. Conducted inventory observations over raw materials, work-in-process materials, and finished goods to ensure accurate reporting. Inventory was subject to a count, weighing, or other form of measurement.Collaborated with client management to walkthrough internal controls, perform inquiries, identify engagement risks, and discuss supporting documentation provided for testing. If communication was not in-person, I connected with the client through Suralink, email, or video call.Prepared audit work papers, reports, and communications to document audit procedures performed. Also, developed analytics for income statement accounts to assess reasonableness and accuracy of account balances compared to prior year. Concurrently, documented the existence and nature of errors if found as well as whether there was a material misstatement or control deficiency.

Current workplace

Tessa Kostelec's current company

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Mazzella Companies
Mazzella Companies
Accounting Professional
cleveland, ohio, united states
Employees
79
AeroLeads page
5 roles

Tessa Kostelec work experience

A career timeline built from the work history available for this profile.

Audit Associate

Cleveland, Ohio, United States

Jan 2023 - May 2024

Audit Intern

Cleveland, Ohio, United States

Jan 2022 - May 2022
Team & coworkers

Colleagues at Mazzella Companies

Other employees you can reach at mazzellacompanies.com. View company contacts for 79 employees →

FAQ

Frequently asked questions about Tessa Kostelec

Quick answers generated from the profile data available on this page.

What company does Tessa Kostelec work for?

Tessa Kostelec works for Mazzella Companies.

What is Tessa Kostelec's role at Mazzella Companies?

Tessa Kostelec is listed as Accounting Professional at Mazzella Companies.

What is Tessa Kostelec's email address?

AeroLeads has found 1 work email signal at @rsmus.com for Tessa Kostelec at Mazzella Companies.

Where is Tessa Kostelec based?

Tessa Kostelec is based in Greater Cleveland, United States, United States while working with Mazzella Companies.

What companies has Tessa Kostelec worked for?

Tessa Kostelec has worked for Mazzella Companies, Rsm Us Llp, Kent State University, and Florida State University.

Who are Tessa Kostelec's colleagues at Mazzella Companies?

Tessa Kostelec's colleagues at Mazzella Companies include George Kelley, Adam Conley, Bianca Castañeda, Hunter Proctor, and Tricia Babinski.

How can I contact Tessa Kostelec?

You can use AeroLeads to view verified contact signals for Tessa Kostelec at Mazzella Companies, including work email, phone, and LinkedIn data when available.

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