Our Team

Our Team

Our team is our
greatest strength

With over 20,000 employees, we’ve cultivated an environment that thrives on innovation and invests in the long-term success of our employees.

David Millstone

Co-Chief Executive Officer

David J. Millstone is co-Chief Executive Officer of Standard Industries, a privately-held, global industrial business.

With over 20,000 employees and operations in more than 80 countries, Standard Industries’ businesses span a broad array of holdings, technologies and investments—including both public and private companies from early to late-stage—as well as world-class building solutions, performance materials, real estate, logistics and next-generation solar technology. Its operating companies include GAF, BMI, Grace, GAF Energy, Siplast, SGI, Schiedel and Standard Logistics, as well as Standard Investments and Winter Properties.

Mr. Millstone is a graduate of Yale College and Harvard Law School and currently serves on the University Council at Yale and the Board of Advisors of the Harvard Law School Program on Corporate Governance. With his wife, Jennifer, he is active in supporting a number of civic organizations, including the Partnership for Public Service, the 92nd Street Y, the Fortune Society and the Bard Prison Initiative.

David Winter

Co-Chief Executive Officer

David S. Winter is co-Chief Executive Officer of Standard Industries, a privately-held, global industrial business.

With over 20,000 employees and operations in more than 80 countries, Standard Industries’ businesses span a broad array of holdings, technologies and investments—including both public and private companies from early to late-stage—as well as world-class building solutions, performance materials, logistics, real estate and next-generation solar technology. Its operating companies include GAF, BMI, Grace, GAF Energy, Siplast, SGI, Schiedel, and Standard Logistics, as well as Standard Investments and Winter Properties.

Mr. Winter is involved in various civic and charitable endeavors, including serving on the Board of Directors of Conservation International and on the Board of Trustees for The Metropolitan Museum of Art and Carnegie Hall. He is also a Trustee of the New York City Police Foundation and on the Board of Directors of the Partnership for New York City. Mr. Winter is a graduate of the University of Pennsylvania and resides in New York City with his four children.

Meet the leadership team of Standard Industries

Yaron Ben David
Chief Digital Officer

Yaron Ben David is responsible for Standard’s advanced technologies and next-horizon digital capabilities strategy and oversees Standard’s cybersecurity function. He joined Standard after 25 years in the Israel Defense Forces (IDF), where he served in senior leadership positions for more than 15 years. Most recently, he was the Deputy Commander of Unit 8200 at the rank of Colonel. Yaron graduated with honors from Tel Aviv University with two Bachelor’s Degrees, in both Middle Eastern Modern History and Laws. He also has a Masters in Business Administration from Tel Aviv University as well as a Masters in Public Administration from Harvard University.

Alexandra Burban
Head of Corporate Development and M&A

Alex Burban serves as Head of Corporate Development and Mergers & Acquisitions at Standard Industries, overseeing all mergers and acquisitions activity and corporate development across all of Standard's businesses. Alex joined Standard from Evercore, where she was a Senior Managing Director, most recently serving as the Head of Asia Cross-Border Advisory globally. Previously, she held leadership positions in Investment Banking and Investment Management at Lehman Brothers and earned a BBA and BA at The University of Texas at Austin.

Arlene Dick
Head of Tax

Arlene Dick oversees all aspects of the tax department at Standard Industries. Prior to joining Standard, Arlene was a member of the GE tax organization where she held leadership positions across various GE businesses.

Dan Gilmore
Chief of Staff

Dan Gilmore is Chief of Staff to David Millstone. He started his career in book publishing and was formerly an editor at Vanity Fair and a literary scout. He graduated from Harvard College with honors and from New York University’s Leonard N. Stern School of Business with distinction.

Gregory Heyman
Head of Strategic Initiatives

Gregory Heyman serves as Head of Strategic Initiatives at Standard Industries. Before joining Standard, Mr. Heyman founded Beehouse and was a partner at investment funds Marble Arch and Miura Global. He currently serves as chairman of Oscar Heyman & Brothers and is on the board of Tiger Foundation. Mr. Heyman graduated from Yale Law School and Dartmouth College and was a Fulbright Scholar.

Amanda Jacobowitz
Chief of Staff

Amanda Jacobowitz is Chief of Staff to David Winter. Prior to Standard, she spent nearly a decade in public affairs and crisis communications at Finsbury, Joele Frank and Powell. Amanda’s depth of experience includes working on top M&A transactions and providing strategic counsel to a global base of clients. She graduated with honors from Washington University in St. Louis.

Beth Kseniak
Head of External Communications

Beth Kseniak oversees external communications for Standard Industries. Prior to joining Standard in 2019, she served as Executive Director of Communications at Vanity Fair, where she was responsible for the magazine’s global communications strategy for 25 years. During her tenure with Vanity Fair, Beth served as chief spokesperson and editorial advisor for editor Graydon Carter and was responsible for the magazine’s communications and branding across print and digital as well as managing media coverage for all Vanity Fair events.

John Maitner
Chief Financial Officer

As Chief Financial Officer, John Maitner oversees all financial matters at Standard Industries. Prior to joining Standard, John served its affiliate GAF for over 20 years, most recently as its Chief Financial Officer. Prior to joining GAF, John was Treasurer at RB, formerly Reckitt Benckiser. He holds a BS from Manhattan College.

Christian Marrone
Global Head of Intelligence and Security

Christian Marrone is responsible for Standard’s combined global security and intelligence function. He is a seasoned national security leader with deep experience in both the corporate and government sectors. He has held leadership positions at a number of major government contractors, including Lockheed Martin, CSRA Inc. and 3M. He has also served as Chief of Staff to Secretary Jeh Johnson at the Department of Homeland Security and as Special Assistant to Secretary Robert M. Gates at the Department of Defense. Christian has a JD from Temple University’s James E. Beasley School of Law, and a Bachelors and Masters in Government Administration from the University of Pennsylvania.

Richard Nowak
Chief Operating Officer

Dick Nowak oversees all operations at Standard and its operating companies, serves on Standard’s Executive Committee, and advises the firm on all matters related to the operating companies and future M&A activities. Prior to this, Dick served as GAF’s Executive Vice President and Chief Operating Officer, where he was responsible for many of the operational innovations that have defined the roofing industry. Dick also served as President and CEO of Elk Corporation and Elk Building Products.

Ashish Parmar
Chief Information Officer

As Chief Information Officer, Ashish Parmar guides efforts to strategically apply and leverage technology across Standard Industries and its operating companies. Prior to joining Standard, Parmar served as Senior Vice President & Chief Information Officer at Tapestry, Inc, where he held increasing leadership positions over his more than 20 years with the company. Parmar has a Master of Science in Management from the New Jersey Institute of Technology and a Bachelor of Science in Business Logistics from Penn State University, and he completed the Executive Education program in Strategic Leadership at the Tuck School of Business at Dartmouth.

Bob Patel

As President of Standard, Bob Patel works to identify and pursue opportunities to expand the Standard Performance Materials portfolio and take a global view of Standard’s Building Solutions and Performance Materials platforms to promote innovation, harness operational synergies, create efficiency, develop talent and provide strategic guidance to all operating CEOs. Prior to this role, Patel served as CEO of W.R. Grace & Co. Before joining Standard, he served as the Chief Executive Officer at LyondellBasell. He previously held leadership positions around the globe of increasing responsibility at LyondellBasell, Chevron Corporation and Chevron Phillips Chemical Company for more than 30 years.

Jason Pollack
Chief Legal Officer

Jason Pollack is responsible for all aspects of legal affairs at Standard Industries. He has been with Standard and its affiliates since 2003, serving in a variety of senior roles. As Chief Legal Officer, Jason advises and consults on strategic initiatives and transactions, regulatory and compliance matters and significant litigations. He oversees a legal team of subject matter experts who sit in offices around the world.

Josh Raffel
Head of External Affairs

Josh Raffel provides counsel and leadership to Standard and its operating companies on all aspects of external affairs. He is responsible for overseeing and expanding Standard’s external-facing strategy through External Communications, Government Affairs and Brand Marketing. Before joining Standard, he served as Chief Communications Officer at Juul Labs and was previously Deputy Communications Director in the White House, where he worked on issues ranging from Middle East policy to tax reform. Prior to the White House, Josh was Head of Communications and Marketing at Blumhouse Productions and began his career advising a range of clients at Freud Communications and Hiltzik Strategies.

Hamilton South
Vice Chairman, Standard Industries

Hamilton South serves as Vice Chairman, Standard Industries. Hamilton has over 30 years of operational, marketing and branding experience. Prior to joining Standard, he founded HL Group, a leading strategic marketing and communications firm, and served as CEO, supporting a global roster of clients. Prior to HL, Hamilton was the President and Chief Marketing Officer of Ralph Lauren and began his career in publishing as the Editor at Large for Vanity Fair. He has also served on a number of boards both public and private.

Maggie Suniewick
Chief Administrative Officer

As Chief Administrative Officer, Maggie Suniewick provides valuable strategic counsel to Standard and the executive leadership and Human Resources teams of Standard’s operating companies. She oversees the global Human Resources function as well as Standard’s Talent Acquisition, Internal Communications, CSR and Events teams.

Prior to joining Standard, Suniewick served in number of executive leadership roles at marquee global companies, including Twitter, NBC Universal, and Comcast. She earned a Masters of Business Administration from Columbia University and received a Bachelors of Arts in Economics at Wesleyan University.

Our Team

Tara Adams
Principal Product Manager, AI and Data
Igor Alovert
Innovation Labs Director
Meaggen Anderson
Director, Office of David S. Winter
Riham Attalla
Cybersecurity Awareness Analyst
Ohad Axelrod
Vice President, Product
Carly Biegel
CSR & Events Coordinator
Nina Bo
Personal Assistant
Kristopher Bogdan
Director, Family Office Accounting
Katie Butterfield
Vice President, Internal Communications
Rhonda Campbell
Corporate Paralegal
McKenna Carr
Director, Strategic Initiatives
Matthew Carville
Senior Intelligence Analyst
Valentina Cassata
Senior Vice President, Lead M&A
Francois Cedoit
Financial Reporting Manager
Douglas Charboneau
Vice President, Governance, Risk, and Compliance
Gwendolyn Chu
Manager, Global Vulnerability Management
Gabriella Cohen
Manager, Accounts Payable
Nance Cohen
Executive Assistant
Brian Cook
Manager, Executive Desktop Support
Dorit Corwin
Vice President, Talent Acquisition
Sean Cunningham
Fund Accountant
Donna Cypher
Social Media & Digital Strategy Director
Gladis De Leon
Vice President, Global Security Risk
Jeff Dennis
Vice President, Program Management
Elizabeth Eckhardt
Application Security Architect
Dan Eiding
HR Generalist
Rachel Engelstein
Senior Vice President, Chief Litigation & Compliance Counsel
Ann Eydenberg
Director, Talent Intelligence
Louis Feldman
Chief Tax Counsel
Rachel Flamm
Vice President, Senior Tax Advisor
Meredith Flanigan
Talent Acquisition Associate
Melanie Foss
Vice President, Human Resources
Ryan Framiñán
Security Engineer
Emilie Frede
Family Office Accountant
Sheri Freedman
Vice President, Global Risk Management
Kelly Fry
Vice President, Business Intelligence
Kelley Furlong
HR Business Partner
Juan Carlos Garcia
Red Team Analyst
John Gianukakis
Yael Gilboa
Digital Product Program Manager
Grady Gillies
Senior Project Manager
Michael Giordano
Senior Red Team Analyst
Rolando Glogowiec
Vice President, Cyber Security Architecture
Russell Gough
Accounting Manager
Renee Greaves
Paralegal and Employment Law Analyst Sr
Erika Greenbaum
Vice President, Services
Georgia Guerrera
Talent Acquisition Coordinator
Mark Guerrera
Senior Tax Associate
Reyhan Guleryuz
Data Scientist and Machine Learning Operations Engineer
Marc Hall
Director, Cloud Architecture & Software Development
Andrew Harris
Litigation & Compliance Counsel
Nicole Hart
Senior Vice President, Chief Labor and Employment Counsel
Ali Hyman
Director, Special Projects
Karen Iyayi
Director, Internal Communications
Caroline Jackson
Executive Assistant
Kelly Jin
Davy Jones
Director, Office of the Co-CEO
Diane Jung
Senior Analyst, Accounts Payable
Sanjay Kalyanasundaram
Vice President, Connectivity
Devon Keane
Principal Product Manager, Manufacturing
Mike Kiik
Head of Manufacturing Technology
Juhnmo Kim
Vice President, Corporate Development & Strategy
Kelly Klarich
Director, Office of David S. Winter
Gloria Korasadowicz
Director, Assistant to the Co-CEO
Mimi Lee
Financial Reporting Manager
Sandra Leffler
Senior Executive Assistant
Yair Leshem
Director, Product Management, Supply Chain
Celeste Levine
Associate General Counsel, Environmental
Emily Levine
Project Manager, Talent
Jeffrey Leyva
Manager, Management Reporting
Stefanie Machado
Executive Assistant
Tracy MacKenzie
Vice President, Corporate Social Responsibility & Events
Rachel Mair
Khuram Majid
Vice President, Global Tax Controller
Sahisnu Malapati
Joshua Malino
Vice President, Intellectual Property
Aviel Marciano
Security Director
Moses Margel
System Administrator
Andrew Marijan
Desktop Support Technician
William Matheos
Director, End User Services
Komal Mathur
Senior Tax Manager
Ryan McGowen
Financial Reporting Analyst
Luis Mejia
Manager, Executive Desktop Support
Colleen Miller
Scott Milsom
Head of Real Estate Development

Mr. Milsom leads the development and construction effort for 40 North. Prior to joining 40 North, Mr. Milsom led the re-development of Industry City in Sunset Park Brooklyn, a 6-million square foot complex, for Jamestown, Angelo Gordon and Belvedere Capital. Previously, Mr. Milsom was Vice President of Development at Vornado Realty Trust.

Jenn Moore
Head of Human Resources
Stacey Moore
Executive Assistant and Program Specialist
Julie Nelson
Executive Assistant
Watson Ng
Treasury Associate
Elizabeth O’Connor
Senior Treasury Manager
David Orticelli
Head of Tax
Valentina Pannullo
Executive Assistant
Luis Paredes-Sanchez
Management Reporting Analyst
Rob Petito
Corporate M&A Counsel
Alex Porchetta
Cybersecurity Architect
Hayley Pournaras
Executive Assistant
Laura Pyne
Talent Acquisition Director
Steven Quinones
System Administrator
Lauren Reiser
Xavier Riley
Head of Digital Strategy & New Ventures
Will Rodd
Assistant Chief of Staff
Reed Ryan
Senior Corporate Counsel
Nicole San Filippo
Cyber Security Project Manager
Daniel Santasier
Executive Assistant
Bradley Schwartz
Director, Tax Planning and Reporting
Roksolana Sierant
Vice President, Corporate Development & Strategy
Sara Sohn
Office Manager
Sara Switzer
Vice President, Events
Sarah Taylor
Executive Recruiter
Antonette Terenzio
Executive Desktop Support Technician
Jan Titus
Legal Secretary and Billing Specialist
Emily Tosic
Vice President, Controller, Family Office Accounting
Nic Tovar
Office Assistant
Virginia Urdaneta
Executive Assistant
Christina Voskanian
Executive Assistant
Braxton Wallace
Financial Reporting Analyst
Alex Wallis
Data Engineer
Chaune Weekes
Desktop Support Technician
Dave Weinstein
Chief Information Security Officer
Brindley Wheeler
Senior Intelligence Analyst
Grace Woodhull
Assistant Controller
Karen Wu
Vice President, Controller
Andy Xia
Beth Xie
New Technology Opportunities Director
Binyao Zhu
Senior Manager, International Tax Planning
Steven Zisblatt
Director, IT Operations
Artem Zvyagintsev
Data Scientist
Wael Zwain
Corporate M&A Counsel