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Mark Serjak Email & Phone Number

Vice President - Dark Fiber Services at Zayo Group
Location: Los Angeles Metropolitan Area, United States 8 work roles 2 schools
1 work email found @zayo.com 4 phones found area 781, 805, and 908 LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 4 phones

Work email m****@zayo.com
Direct phone (781) ***-****
LinkedIn Profile matched
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Current company
Role
Vice President - Dark Fiber Services
Location
Los Angeles Metropolitan Area, United States
Company size

Who is Mark Serjak? Overview

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Quick answer

Mark Serjak is listed as Vice President - Dark Fiber Services at Zayo Group, a with 3742 employees, based in Los Angeles Metropolitan Area, United States. AeroLeads shows a work email signal at zayo.com, phone signal with area code 781, 805, 908, and a matched LinkedIn profile for Mark Serjak.

Mark Serjak previously worked as Advisory Board Member at Bwg Strategy Llc and Area VP - Wireless and International Carrier Operations at Verizon. Mark Serjak holds Ma, International Relations, Summa Cum Laude from Northeastern University.

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Email format at Zayo Group

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{first}.{last}@zayo.com
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Profile bio

About Mark Serjak

Proven, hands-on Operations executive with demonstrated track record to transform and optimize organizations. An expert at leading Domestic and Global Customer Focused teams in Service Delivery, Network Deployment, PMO/Project Management, Field Operations and Customer Engagement with teams of up to 1000+ employees and capital programs in excess of $1B. Demonstrated ability to drive improvements in the entire customer experience while lowering expense and improving SLA’s. Strong track record of building key customer alliances and leveraging internal operations to increase revenue and drive profitable growth. Passionate about engaging employees to drive change. Award winning Wine MakerLeadership Roles:- Led Program Management Organization (PMO) for delivery of next-gen Ethernet services to over 25K cell sites and 10K cell site upgrades, delivering $2.2B in revenue and managed Capital programs of over $1.7B Network deployment focusing on 4G and 5G Small Cell Sites- Led International Operations organization responsible for entire post-sales customer experience with teams located in 10 countries covering Europe, Middle East, Asia Pacific and Latin America markets supporting $300M+ revenue- Service Management organization for all Domestic Wireless Carriers responsible for provisioning, maintenance, project management and network upgrades- Field operations; growing a team from 400 to 1000+ employees in 14 states to provide FiOS Service installation and improve overall customer experience- Service Delivery Operations covering 14 State West Area, with headcount of 500+, and functional responsibilities of front-end order entry, engineering/design, milestone delivery and test/hand-off for commercial customers and carriers- Winner of 1 Double Gold, 3 Gold, and 2 Silver Medals in National Wine Competitions for 2019 and 2020 vintages

Listed skills include Program Management, Telecommunications, Vendor Management, Networking, and 46 others.

Current workplace

Mark Serjak's current company

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Zayo Group
Zayo Group
Vice President - Dark Fiber Services
Los Angeles, CA, US
Website
Employees
3742
AeroLeads page
8 roles · 32 years

Mark Serjak work experience

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

Vice President - Dark Fiber Services

Los Angeles, Ca, Us

Advisory Board Member

Current

New York, Ny

BWG is an invite-only network for senior executives across technology, media and telecom. BWG industry professionals participate in a series of roundtables discussions, which are a valuable resource for market intelligence, business development and personal / professional networking.

Mar 2018 - Present

Vice President - Dark Fiber Services

Current

Greater Los Angeles Area

In his current role, Mark is Vice President of Dark Fiber Program Delivery at Zayo Group, the leading global provider of Communications Infrastructure. Mark leads a team for Dark Fiber network deployment/delivery to fortune 100 businesses, wireless carriers and large content providers covering metro and long haul fiber networks.

2016 - Present ~10 yrs 6 mos

Area Vp - Wireless And International Carrier Operations

Newbury Park, Ca

As leader of the Wireless Operations segment for Verizon Partner Solutions, led National Program Management Office responsible for capital management, business planning and program delivery of next-gen Ethernet backbone services to all US Wireless Carriers. Managed all aspects from customer engagement, capital forecasts, deployment planning, milestone delivery and network build coordination with Field Operations and Provisioning. Delivered services to over 25K cell sites (macro/small) and 10K cell site network upgrades, resulting in over $2B in revenue. Additionally responsible for Service Assurance of legacy and next-gen network products and SLA performance.Managed capital program budget of $1.7B including forecasting, spending trends and governanceDrove consistent year-over-year reductions in cost per site capital invested by 44% and SLA penalties by 90%, significantly improving program cash flow and exceeding KPI measuresReduced and optimized cell site build/provisioning cycle time by 72% increasing customer satisfaction and billing days Business Development partnering with Sales organization to win RFP’s driving additional $200M in revenueAs leader of Service Operations outside the US, team provides provisioning, maintenance, upgrades, and program and process management for all International Carriers. Owned entire post sales operations with direct management of employees in 10 countries covering Europe, Middle East, APAC and Latin America markets supporting $300M+ revenue.Initiated restructuring of entire EU team by collapsing sales and ordering groups into external service provider in Czech Republic driving 20% annually out of operating expense, and improving direct customer order/program supportDrove provisioning interval reduction of 20% via Lean Six Sigma to optimize order handling process

2010 - 2016 ~6 yrs

Area Vp - Strategic Programs

Newbury Park, California

Responsible for the building and spin-off of a $1.1B stand-alone business unit from Verizon Wholesale to Frontier Communications. Scope included feasibility analysis and repositioning of 400+ employees in 8 states covering sales, marketing, circuit design/provisioning, maintenance, testing, local and 911 services. Managed back end migration of work moving from spin-off back to legacy Verizon- Delivered operational ready stand-alone business 3 months ahead of schedule and under budget- Initiated and drove transition strategy to optimize headcount levels by functional area/group and established 3 new operations centers- Developed and executed training programs to ensure functional movement in and out of divested area was staffed by fully qualified employees on day 1 of operations

2009 - 2010 ~1 yr

Director - West Provisioning Operations

Newbury Park, Ca

Led Customer Focused Service Delivery Operations in 14 State West Area, with headcount of 500+ and functional responsibilities of front-end order entry, engineering/design, milestone delivery and test/hand-off. Brought into newly created position to provide increased customer focus and service delivery performance. Aligned center functions and optimized locations to transform organization by improving overall customer experience.- Transitioned from 7 to 4 strategic locations while increasing customer on time delivery standards by 22% YoY.- Reduced headcount expense by over $13M; consolidated functions and implemented a ‘follow the sun’ time zone optimization program to more effectively align work loads- Improved both Management and Associate attendance levels by 16%, all key call handling metrics and implemented‘call branding’ program to track inbound calls by type to target key operational and process improvements

2006 - 2009 ~3 yrs

Director - National Wire Services

Irving, Tx

Brought in to transform unstructured group of 400 employees (field and dispatch center) and pursue opportunities with FiOS fiber/copper drop wire installation and facility locates in 14 states. Reinvented team with new branding/mission and implemented national processes to expand and insource work from external companies. - Expanded headcount from 400 to 1000+ and moved into 4 new market areas to support expanding FiOS business- Drove expense savings of over $15M annually, while increasing productivity by 25% over traditional contractors- Implemented governance processes to drive accountability and engagement to lowest level in organization resulting in reduced overtime, second dispatches and employee churn- Implemented active staffing model to ensure qualified candidates were available to support growth and BAU model

2004 - 2006 ~2 yrs

Various Roles - Gte/Verizon

Group Manager - Strategic Programs, NYRegional Manager - Northwest, Seattle WARegional Manager - Virginia Operations, Richmond, VA

1995 - 2004 ~9 yrs
Team & coworkers

Colleagues at Zayo Group

Other employees you can reach at zayo.com. View company contacts for 3742 employees →

2 education records

Mark Serjak education

Ma, International Relations, Summa Cum Laude

Activities and Societies: Economic and business development in emerging/developing markets - Eastern Europe, Brazil

FAQ

Frequently asked questions about Mark Serjak

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

What company does Mark Serjak work for?

Mark Serjak works for Zayo Group.

What is Mark Serjak's role at Zayo Group?

Mark Serjak is listed as Vice President - Dark Fiber Services at Zayo Group.

What is Mark Serjak's email address?

AeroLeads has found 1 work email signal at @zayo.com for Mark Serjak at Zayo Group.

What is Mark Serjak's phone number?

AeroLeads has found 4 phone signal(s) with area code 781, 805, 908 for Mark Serjak at Zayo Group.

Where is Mark Serjak based?

Mark Serjak is based in Los Angeles Metropolitan Area, United States while working with Zayo Group.

What companies has Mark Serjak worked for?

Mark Serjak has worked for Zayo Group, Bwg Strategy Llc, and Verizon.

Who are Mark Serjak's colleagues at Zayo Group?

Mark Serjak's colleagues at Zayo Group include Luke Mestas, Kathie Bagniewski, Jeff Smith, Kingery David, and Chloe Shoemaker.

How can I contact Mark Serjak?

You can use AeroLeads to view verified contact signals for Mark Serjak at Zayo Group, including work email, phone, and LinkedIn data when available.

What schools did Mark Serjak attend?

Mark Serjak holds Ma, International Relations, Summa Cum Laude from Northeastern University.

What skills is Mark Serjak known for?

Mark Serjak is listed with skills including Program Management, Telecommunications, Vendor Management, Networking, Call Centers, Cross Functional Team Leadership, Operations Management, and Team Building.

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