--- title: CustomPage | TAC --- [![](https://242539973.fs1.hubspotusercontent-na2.net/hubfs/242539973/assets/People/Project%20Team/Evgenia%20Starkova.jpg) ![Evgenia Starkova](https://242539973.fs1.hubspotusercontent-na2.net/hubfs/242539973/assets/People/Project%20Team/Evgenia%20Starkova.jpg) ##### Evgenia Starkova Head of Marketing & Sustainability SkyTeam ](https://uat.theaviationchallenge.com/custompage1#) [![](https://145595289.fs1.hubspotusercontent-eu1.net/hubfs/145595289/assets/People/Paul%20Zissermann.jpg) ![Paul Zissermann](https://145595289.fs1.hubspotusercontent-eu1.net/hubfs/145595289/assets/People/Paul%20Zissermann.jpg) ##### Paul Zissermann Sustainability Director SkyTeam ](https://uat.theaviationchallenge.com/custompage1#) [![](https://145595289.fs1.hubspotusercontent-eu1.net/hubfs/145595289/assets/People/Eric%20Kalali.jpg) ![Eric Kalali](https://145595289.fs1.hubspotusercontent-eu1.net/hubfs/145595289/assets/People/Eric%20Kalali.jpg) ##### Eric Kalali TAC Program Lead SkyTeam ](https://uat.theaviationchallenge.com/custompage1#) [![](https://145595289.fs1.hubspotusercontent-eu1.net/hubfs/145595289/assets/People/Yuliia%20Gelion.jpg) ![Yuliia Gelion](https://145595289.fs1.hubspotusercontent-eu1.net/hubfs/145595289/assets/People/Yuliia%20Gelion.jpg) ##### Yuliia Gelion TAC Engagement & Events Manager SkyTeam ](https://uat.theaviationchallenge.com/custompage1#) [![](https://145595289.fs1.hubspotusercontent-eu1.net/hubfs/145595289/Teams/Nick%20Hanenburg.jpg) ![Nick Hanenburg](https://145595289.fs1.hubspotusercontent-eu1.net/hubfs/145595289/Teams/Nick%20Hanenburg.jpg) ##### Nick Hanenburg Challenge Strategist & Support SkyTeam ](https://uat.theaviationchallenge.com/custompage1#) [![](https://145595289.fs1.hubspotusercontent-eu1.net/hubfs/145595289/assets/People/Emma%20Rolader.jpg) ![Emma Rolader](https://145595289.fs1.hubspotusercontent-eu1.net/hubfs/145595289/assets/People/Emma%20Rolader.jpg) ##### Emma Rolader Engagement Marketing Lead SkyTeam ](https://uat.theaviationchallenge.com/custompage1#) [![](https://145595289.fs1.hubspotusercontent-eu1.net/hubfs/145595289/Teams/Jenny%20Witte.jpg) ![Jenny Witte](https://145595289.fs1.hubspotusercontent-eu1.net/hubfs/145595289/Teams/Jenny%20Witte.jpg) ##### Jenny Witte TAC UX Lead SkyTeam ](https://uat.theaviationchallenge.com/custompage1#) [![](https://uat.theaviationchallenge.com/hubfs/assets/people/Jumana%20Master.jpg) ![Jumana Master](https://uat.theaviationchallenge.com/hubfs/assets/people/Jumana%20Master.jpg) ##### Jumana Master Sustainable Travel Experience Delta Air Lines ](https://uat.theaviationchallenge.com/custompage1#) [![](https://242539973.fs1.hubspotusercontent-na2.net/hubfs/242539973/assets/People/Project%20Team/Evgenia%20Starkova.jpg) ![Evgenia Starkova](https://242539973.fs1.hubspotusercontent-na2.net/hubfs/242539973/assets/People/Project%20Team/Evgenia%20Starkova.jpg) ##### Evgenia Starkova Head of Marketing & Sustainability SkyTeam ](https://uat.theaviationchallenge.com/custompage1#) [![](https://145595289.fs1.hubspotusercontent-eu1.net/hubfs/145595289/assets/People/Paul%20Zissermann.jpg) ![Paul Zissermann](https://145595289.fs1.hubspotusercontent-eu1.net/hubfs/145595289/assets/People/Paul%20Zissermann.jpg) ##### Paul Zissermann Sustainability Director SkyTeam ](https://uat.theaviationchallenge.com/custompage1#) [![](https://145595289.fs1.hubspotusercontent-eu1.net/hubfs/145595289/assets/People/Eric%20Kalali.jpg) ![Eric Kalali](https://145595289.fs1.hubspotusercontent-eu1.net/hubfs/145595289/assets/People/Eric%20Kalali.jpg) ##### Eric Kalali TAC Program Lead SkyTeam ](https://uat.theaviationchallenge.com/custompage1#) [![](https://145595289.fs1.hubspotusercontent-eu1.net/hubfs/145595289/assets/People/Yuliia%20Gelion.jpg) ![Yuliia Gelion](https://145595289.fs1.hubspotusercontent-eu1.net/hubfs/145595289/assets/People/Yuliia%20Gelion.jpg) ##### Yuliia Gelion TAC Engagement & Events Manager SkyTeam ](https://uat.theaviationchallenge.com/custompage1#) [![](https://145595289.fs1.hubspotusercontent-eu1.net/hubfs/145595289/Teams/Nick%20Hanenburg.jpg) ![Nick Hanenburg](https://145595289.fs1.hubspotusercontent-eu1.net/hubfs/145595289/Teams/Nick%20Hanenburg.jpg) ##### Nick Hanenburg Challenge Strategist & Support SkyTeam ](https://uat.theaviationchallenge.com/custompage1#) [![](https://145595289.fs1.hubspotusercontent-eu1.net/hubfs/145595289/assets/People/Emma%20Rolader.jpg) ![Emma Rolader](https://145595289.fs1.hubspotusercontent-eu1.net/hubfs/145595289/assets/People/Emma%20Rolader.jpg) ##### Emma Rolader Engagement Marketing Lead SkyTeam ](https://uat.theaviationchallenge.com/custompage1#) [![](https://145595289.fs1.hubspotusercontent-eu1.net/hubfs/145595289/Teams/Jenny%20Witte.jpg) ![Jenny Witte](https://145595289.fs1.hubspotusercontent-eu1.net/hubfs/145595289/Teams/Jenny%20Witte.jpg) ##### Jenny Witte TAC UX Lead SkyTeam ](https://uat.theaviationchallenge.com/custompage1#) [![](https://uat.theaviationchallenge.com/hubfs/assets/people/Jumana%20Master.jpg) ![Jumana Master](https://uat.theaviationchallenge.com/hubfs/assets/people/Jumana%20Master.jpg) ##### Jumana Master Sustainable Travel Experience Delta Air Lines ](https://uat.theaviationchallenge.com/custompage1#) 10% Better Than Ourselves A 10% improvement in CO₂ intensity (CO₂/RTK) achieved through operational enhancements, measured across 33 TAC flights compared to each airline’s own baseline. 20% Better Than Industry Average A 20% reduction in CO₂ intensity (CO₂/RTK) achieved through technological improvements, excluding the impact of uplifted SAF, demonstrating performance beyond current industry averages. 11% Increased SAF Volume The use of Sustainable Aviation Fuel (SAF) on select flights led to 427 tons of CO₂ emissions avoided, representing an 11% increase in SAF usage.